{ "data": { "a": { "slug": "junie", "name": "Junie CLI", "vendor": "JetBrains", "vendorUrl": "https://junie.jetbrains.com", "kind": "harness", "category": "agent-harnesses", "summary": "JetBrains' coding agent for the terminal, run as `junie`. It plans, edits files, runs commands and calls MCP servers, with an action allowlist, one-shot headless runs with JSON output for CI and an ACP mode for editors.", "url": "https://www.anchorterminal.com/tools/junie", "markdownUrl": "https://www.anchorterminal.com/tools/junie.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/junie.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/junie.json", "dns": "junie.grade.anchorterminal.com", "repo": "https://github.com/JetBrains/junie", "license": "Proprietary, JetBrains s.r.o., all rights reserved, under the JetBrains AI Terms of Service. The GitHub repository holds the README, release binaries and the issue tracker, not source", "transports": [], "packages": [ { "registry": "npm", "name": "@jetbrains/junie" } ], "auth": "mixed", "authNotes": "A JetBrains Account through a browser, a Junie API key (`JUNIE_API_KEY` or `--auth`) created at junie.jetbrains.com/cli for headless runs, or BYOK provider keys and custom endpoints, which need no JetBrains AI subscription.", "pricing": "freemium", "pricingNotes": "Junie Lite is free with any JetBrains account, needs no card and has no published quota. JetBrains AI Pro is $10 a month ($100 a year) with 10 AI Credits and AI Ultimate $30 a month ($300 a year) with 35, where one credit is US$1. BYOK use is billed by the provider with no JetBrains markup. Per-model credit rates weren't found (checked 2026-10-18).", "priceSummary": "$10 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the Junie docs, the JetBrains AI terms or the pricing on junie.jetbrains.com (checked 2026-10-18).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 3153, "pypiWeekly": null, "asOf": "2026-10-18" }, "docsUrl": "https://junie.jetbrains.com/docs/junie-cli.html", "llmsTxt": "https://junie.jetbrains.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "official", "harness", "coding-agent", "cli", "closed-source", "mcp", "acp", "llms-txt", "free-tier", "no-card", "hooks", "subagents" ], "lastRelease": "2026-11-03", "graded": true, "anchor": { "graded": true, "score": 49, "grade": "D", "agentReady": false, "rank": 999, "ranked": true, "rankOf": 1354, "categoryRank": 37, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 55, "maintenance": 64, "payments": 42, "reliability": 33, "schema": 62, "security": 56, "transparency": 77 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-04" }, "negative": -4, "negativeNotes": [ "2026-10-15. CVE-2026-111091, high (CVSS 3.1 7.8, CWE-829), published by JetBrains. Code execution was possible through an untrusted project's MCP server configuration in Junie CLI before 26.8.3. Fixed and published, under two months old (https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/111xxx/CVE-2026-111091.json). -2", "2026-10-27. CVE-2026-117530, medium (CVSS 3.1 6.7, CWE-184), published by JetBrains. Command execution was possible through incomplete validation of allowlisted commands in Junie CLI before 26.8.17. Fixed and published by the vendor (https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/117xxx/CVE-2026-117530.json). -1", "2026-04-17. CVE-2026-41153, medium (CVSS 3.1 5.8), published by JetBrains. Command execution through a malicious project file in JetBrains Junie before 252.549.29, a plugin build number. Judgement call, 1 point, since the IDE plugin and the CLI run the same agent per JetBrains' 17 June 2026 post. Fixed and published (https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/41xxx/CVE-2026-41153.json). -1" ], "verdict": "Runs headless with JSON output, speaks ACP, and works with JetBrains AI plans, a free Junie Lite tier, the owner's own provider keys or a local endpoint. Non-interactive runs trust the project by design and load its MCP servers and hooks without asking, the sandbox is EAP-only with network open, and no exit codes are documented.", "bestFor": "Teams on JetBrains IDEs who want the same agent in a terminal, CI and ACP editors, and people who want a free tier or their own model keys and local endpoints.", "strengths": [ "An action allowlist that asks before terminal commands, MCP tools, outside edits and secret-file reads, and checks each part of chained and nested commands", "Headless runs with text, json or json-stream output, piped JSON input, `--session-id` and `--resume`", "ACP mode (`junie --acp true`) for editors, plus a GitHub Action and GitLab CI integration", "Junie Lite is a free model tier with no card, and BYOK keys or a local endpoint avoid JetBrains billing", "Install scripts check SHA-256 sums from a published release feed, and releases ship weekly" ], "weaknesses": [ "One-shot, piped, ACP and Gateway runs trust the project by design and load its MCP servers, hooks, agents and skills without a prompt", "Sandbox mode is EAP-only, off by default, absent on Windows, and leaves network access open by default", "No documented exit codes, output schema or turn and spend cap for headless runs", "CVE-2026-111091 (high, 15 October 2026) and CVE-2026-117530 (medium, 27 October 2026) allowed code and command execution through project MCP configuration and allowlisted commands", "Closed source, and the CLI's default for anonymous usage statistics isn't stated" ], "agentNotes": [ "Run headless only in repositories you trust. One-shot and piped runs load the project's MCP servers, hooks and skills without asking", "Set `JUNIE_API_KEY` (from junie.jetbrains.com/cli) or a provider key such as `JUNIE_ANTHROPIC_API_KEY` in CI. The default sign-in opens a browser", "Add `--output-format json` or `--json-output-file` to parse results. Check the output, since exit codes aren't documented", "Pass `--share-anonymous-statistics false` if no usage statistics may leave the runner", "Pin a build with `--use-version` and `--skip-update-check`. The CLI updates itself on start by default" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 4, "avgRating": 2.8, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 49 } ], "editorialScores": { "ergonomics": 55, "maintenance": 64, "payments": 42, "reliability": 33, "schema": 62, "security": 56, "transparency": 57 }, "provenanceScore": 97, "checked": { "categories": { "ergonomics": "2026-11-04", "maintenance": "2026-11-04", "payments": "2026-11-04", "reliability": "2026-11-04", "schema": "2026-11-04", "security": "2026-11-04", "transparency": "2026-11-04" }, "last": "2026-11-04", "lastMoved": "2026-11-04", "oldest": "2026-11-04", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "curl -fsSL https://junie.jetbrains.com/install.sh | bash", "headless": { "acp": "junie --acp true", "review": "junie --auth=\"$JUNIE_API_KEY\" --review", "run": "junie --auth=\"$JUNIE_API_KEY\" \"Fix any failing tests\"" } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/junie" }, "sameCompany": [ "youtrack" ], "area": "frameworks", "unitPrices": [ { "item": "JetBrains AI Pro", "unit": "month", "usd": 10, "note": "per user, 10 AI Credits every 30 days, $100 a year" }, { "item": "JetBrains AI Ultimate", "unit": "month", "usd": 30, "note": "per user, 35 AI Credits every 30 days, $300 a year" } ], "provenance": { "legalEntity": "JetBrains s.r.o.", "domain": "jetbrains.com", "domainRegistered": "2001-11-09", "endpointOnVendorDomain": null, "terms": "https://www.jetbrains.com/legal/docs/terms/jetbrains-ai-service/", "privacy": "https://www.jetbrains.com/legal/docs/privacy/privacy/", "statusPage": "https://status.jetbrains.cloud", "changelog": "https://junie.jetbrains.com/whats-new", "securityTxt": "valid", "checked": "2026-11-04", "notes": [ "The README says JetBrains s.r.o., all rights reserved, with use under the JetBrains AI Terms of Service (version 2.1, effective 30 September 2025, titled for AI Assistant and Junie).", "www.jetbrains.com/.well-known/security.txt has a Contact and a Policy line and no Expires line, which RFC 9116 requires. The site's tracker reads a file with a Contact and no Expires as valid. junie.jetbrains.com/.well-known/security.txt answers 404.", "The CLI runs on the owner's machine. Model calls go to JetBrains AI, the owner's provider or a local endpoint, so there is no single vendor endpoint.", "The registration date is carried from the earlier listing and wasn't looked up again. Junie's site is junie.jetbrains.com.", "status.jetbrains.cloud covers JetBrains AI. Its components and incidents were read on 2026-10-18 from a JSON API this run doesn't use, so they aren't relied on, and JetBrains' website terms (version 2.5, 28 November 2023) bar robots and data mining on every JetBrains site, so it wasn't re-read.", "JetBrains' Website Terms of Use cover every site under the domains JetBrains lists, so its pages are paused pending the founder; its GitHub repositories are read from clones." ], "score": 97 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/junie.json", "live": { "slug": "junie", "vendorStatus": { "page": "https://status.jetbrains.cloud", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-06T09:43:12.930642298Z" }, "versions": [ { "registry": "github", "name": "JetBrains/junie", "version": "4027.1", "released": "2026-11-05", "seenAt": "2026-11-05T21:39:54.428462781Z" }, { "registry": "npm", "name": "@jetbrains/junie", "version": "3110.7.0", "seenAt": "2026-11-05T21:39:53.472110115Z" } ], "githubStars": 543, "npmWeekly": 1549, "securityTxt": { "url": "https://jetbrains.com/.well-known/security.txt", "state": "valid", "checkedAt": "2026-11-05T15:55:37.059915762Z" }, "llmsTxt": { "url": "https://junie.jetbrains.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-05T15:26:19.513005199Z" }, "domain": { "domain": "jetbrains.com", "registered": "2001-11-09", "source": "https://rdap.verisign.com/com/v1/domain/jetbrains.com", "checkedAt": "2026-11-01T14:07:20.014771665Z" }, "pages": [ { "url": "https://junie.jetbrains.com/whats-new", "kind": "changelog", "status": 200, "checkedAt": "2026-11-05T12:57:10.729571507Z", "changedAt": "2026-11-04T08:25:47.158034938Z", "fingerprint": "af4a365b540d" }, { "url": "https://www.jetbrains.com/legal/docs/privacy/privacy/", "kind": "privacy", "status": 200, "checkedAt": "2026-11-05T13:14:00.578370627Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "7d6c9c28b6d6" }, { "url": "https://www.jetbrains.com/legal/docs/terms/jetbrains-ai-service/", "kind": "terms", "status": 200, "checkedAt": "2026-11-05T13:14:02.678103409Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c56282bd3350" } ], "github": { "repo": "jetbrains/junie", "checkedAt": "2026-11-02T08:57:19.655674548Z", "stars": 522, "archived": false, "issuesEnabled": true, "pushedAt": "2026-11-02T08:55:24Z", "openIssues": 6, "openPRs": 8, "issuesOpened90d": 20, "issuesClosed90d": 67, "prsMerged90d": 22, "replies": { "sampled": 25, "unanswered": 5, "medianDays": 16 } }, "updatedAt": "2026-11-06T09:43:12.930642298Z" } }, "answer": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Junie CLI's 49 (D), and leads in 6 of 7 scored categories. Junie CLI leads on payments \u0026 pricing.", "b": { "slug": "openai-agents-api", "name": "OpenAI Agents API", "vendor": "OpenAI", "vendorUrl": "https://openai.com/index/introducing-the-agents-api/", "kind": "http-api", "category": "agent-harnesses", "summary": "The OpenAI Agents API runs OpenAI's managed Codex harness as a hosted service. One call creates a session with a model, tools, MCP servers, subagents and an OpenAI-hosted or self-hosted sandbox, and OpenAI runs the loop.", "url": "https://www.anchorterminal.com/tools/openai-agents-api", "markdownUrl": "https://www.anchorterminal.com/tools/openai-agents-api.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/openai-agents-api.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/openai-agents-api.json", "dns": "openai-agents-api.grade.anchorterminal.com", "license": "Proprietary hosted API under OpenAI's Services Agreement. The SDKs are Apache 2.0", "transports": [ "https" ], "remoteUrl": "https://api.openai.com/v1/agents/sessions", "packages": [ { "registry": "pypi", "name": "openai" }, { "registry": "npm", "name": "openai" } ], "auth": "api-key", "authNotes": "An OpenAI project API key as a Bearer token, with the header `OpenAI-Beta: agents=v1`. Project keys can be restricted per endpoint or read-only, and service accounts and workload identity federation are available, per the openai-api listing. Signing up and creating a key need a person in a browser.", "pricing": "usage", "pricingNotes": "No fee for the API itself. Model tokens are billed at the chosen model's API rates, OpenAI tools at their built-in rates (web search $10.00 per 1,000 calls plus content tokens), and OpenAI-hosted sandboxes at container rates, $0.03 for 1 GB, $0.12 for 4 GB, $0.48 for 16 GB and $1.92 for 64 GB per 20-minute session, billed by the minute with a 5-minute minimum. Since 9 October sandbox compute is billed only during active turns (checked 2026-11-06).", "priceSummary": "Pay per use", "where": "hosted", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the Agents API guides or on OpenAI's pricing page; billing is to an OpenAI account (checked 2026-11-06).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-06" }, "docsUrl": "https://developers.openai.com/api/docs/guides/agents-api/overview", "llmsTxt": "https://developers.openai.com/api/docs/llms.txt", "capabilities": [ "agent.harness" ], "tags": [ "official", "hosted", "beta", "usage-priced", "llms-txt", "status-page", "mcp-client", "sandbox", "subagents", "webhooks", "soc2", "iso27001", "bug-bounty" ], "lastRelease": "2026-10-16", "graded": true, "anchor": { "graded": true, "score": 73.3, "grade": "BB", "agentReady": true, "rank": 99, "ranked": true, "rankOf": 1354, "categoryRank": 2, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 80, "maintenance": 87, "payments": 30, "reliability": 60, "schema": 88, "security": 87, "transparency": 85 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-06" }, "negative": 0, "verdict": "OpenAI's hosted agent runtime, the Codex harness behind one session call, with MCP, functions, web search, computer use, subagents and sandboxes on OpenAI or your own infrastructure. Documentation, errors and SDKs are thorough. It's still public beta, can't use Zero Data Retention and keeps data in the United States only.", "bestFor": "Teams that want OpenAI to run the agent loop, with sandboxes, MCP tools and subagents, and are fine with a beta API, US-only data residency and no Zero Data Retention.", "strengths": [ "One session call configures the model, tools, MCP servers, subagents and the sandbox, and OpenAI runs and recovers the loop", "Sandboxes on OpenAI or self-hosted, with guides for ten providers including E2B, Daytona, Modal, Cloudflare and Vercel", "An errors guide with codes per status and turn, Retry-After and a check-before-retry procedure", "Webhooks, streamed events, tracing and usage views for each session", "SDK examples in Python, JavaScript, Go, Java and Ruby", "Status page with its own Agents component" ], "weaknesses": [ "Public beta since 10 September 2026 behind the agents=v1 beta header, with no GA date", "Not eligible for Zero Data Retention, and data residency is United States only", "No idempotency key for session or turn requests; retries depend on checking state first", "One API-wide major outage on 29 September included it, plus several smaller incidents since release", "No retention period stated for published artifacts after a sandbox expires" ], "agentNotes": [ "POST https://api.openai.com/v1/agents/sessions with a project key and the header OpenAI-Beta: agents=v1, or use client.beta.agents in the SDKs", "Before retrying, retrieve the session and turn and check which actions completed, since there's no idempotency key", "Set the sandbox network to restricted with an allowlist of up to 100 hosts when the agent doesn't need the open web", "Save files from /workspace/outputs before deleting a session; no retention period is stated for artifacts", "Don't send data that needs Zero Data Retention or non-US residency; the Agents API supports neither" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 73.3 } ], "editorialScores": { "ergonomics": 80, "maintenance": 87, "payments": 30, "reliability": 60, "schema": 88, "security": 87, "transparency": 75 }, "provenanceScore": 95, "checked": { "categories": { "ergonomics": "2026-11-06", "maintenance": "2026-11-06", "payments": "2026-11-06", "reliability": "2026-11-06", "schema": "2026-11-06", "security": "2026-11-06", "transparency": "2026-11-06" }, "last": "2026-11-06", "oldest": "2026-11-06", "stale": false, "staleAfterDays": 90 } }, "connect": { "http": "curl https://api.openai.com/v1/agents/sessions \\\n -H \"Authorization: Bearer $OPENAI_API_KEY\" \\\n -H \"OpenAI-Beta: agents=v1\" \\\n -H \"Content-Type: application/json\" \\\n -d @session.json # model, tools, environment and input, per the quickstart" }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/openai-agents-api" }, "sameCompany": [ "openai-api", "openai-embeddings", "openai-guardrails", "openai-moderation", "openai-image-api", "openai-sora", "openai-speech-to-text", "gpt-live", "openai-realtime", "openai-agents-sdk", "openai-decisions-api", "openai-codex", "gpt-oss-120b", "gpt-oss-20b" ], "area": "frameworks", "provenance": { "legalEntity": "OpenAI OpCo, LLC", "domain": "openai.com", "domainRegistered": "2007-01-19", "domainNote": "openai.com was registered in 2007, before OpenAI existed, per the openai-api listing.", "endpointOnVendorDomain": true, "terms": "https://openai.com/policies/services-agreement/", "privacy": "https://openai.com/policies/privacy-policy/", "statusPage": "https://status.openai.com", "changelog": "https://developers.openai.com/api/docs/changelog", "securityTxt": "valid", "checked": "2026-11-06", "notes": [ "The endpoint is on api.openai.com, the same host as the rest of the OpenAI API. Terms, privacy, security.txt and the domain are the openai-api listing's readings." ], "score": 95 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/openai-agents-api.json", "live": { "slug": "openai-agents-api", "probe": { "target": "https://api.openai.com/v1/agents/sessions", "method": "get", "lastAt": "2026-11-06T09:47:41.371658489Z", "lastOk": true, "lastStatus": 400, "lastMs": 162, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 148, "p95ms24h": 166, "samples24h": 47, "samples30d": 47, "days": [ { "date": "2026-11-06", "probes": 47, "ok": 47 } ] }, "vendorStatus": { "page": "https://status.openai.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-06T09:43:26.425829944Z" }, "updatedAt": "2026-11-06T09:47:41.371658489Z" } }, "edges": [ { "by": 31, "category": "security", "leads": "openai-agents-api", "name": "Security \u0026 auth", "reasons": { "a": "Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. A browser login, a long-lived Junie API key with no scopes we found, or provider keys passed as flags or environment variables. The CLI's statistics default isn't stated (13). The allowlist asks before terminal commands, MCP tools, edits outside the project, reads outside it and secret files, and checks every part of chained, nested and multi-line commands. Brave mode is interactive only. Sandbox mode limits writes and hides `~/.ssh`, but it's EAP-only, off by default, missing on Windows, and leaves the network open by default (12). Interactive runs keep an untrusted project's MCP servers, hooks and skills unloaded and a project can't widen the sandbox, but one-shot, piped, ACP and Gateway runs trust every project by design, and the docs say to run them only in trusted projects (9). `/usage` shows per-session cost and sessions are stored, and PreToolUse hooks in batch runs can log or block tools, but they're EAP, and no audit log for the CLI was found (7). A coordinated disclosure policy (updated 10 October 2026) and a security.txt contact, CVEs JetBrains publishes as a CVE numbering authority (three for Junie in cvelistV5) and a fixed-issues page, discretionary rewards with no formal bounty, and SOC 2 per the Junie homepage. The repository has no SECURITY.md, per a clone on 4 November (15). The docs, policy and homepage readings are per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites. 13+12+9+7+15 = 56.", "b": "Project keys with restricted per-endpoint permissions, service accounts and workload identity, per the openai-api listing; we didn't confirm a key can be limited to /v1/agents (27 of 30). Automatic review for approvals, a sandbox network restricted to a host allowlist, vaults for secrets and a sandbox security guide (17 of 20). The agent reads web pages, MCP results and browser content; the sandbox security guide and approval flow are the mitigations, with no prompt-injection guide of its own found (8 of 15). Tracing, observability and usage per session and admin audit logs (15). SOC 2 Type 2, ISO 27001 family, Bugcrowd bounty and a disclosure policy, per the openai-api listing (20). Not ZDR-eligible and US residency only, recorded under transparency. 27 + 17 + 8 + 15 + 20 = 87." }, "scores": { "a": 56, "b": 87 } }, { "by": 27, "category": "reliability", "leads": "openai-agents-api", "name": "Reliability", "reasons": { "a": "Local-package reading, the same as the other closed-source harnesses. Install scripts for macOS, Linux and Windows on x86-64 and ARM64, a Homebrew tap and npm, with SHA-256 sums checked against the release feed (update-info.jsonl, read from a clone on 4 November), but the script carries on without a sum for an unlisted version and npm sat five weeks behind at 3110.7.0 on 18 October (17). No public CI or test suite. No source is published and the repository has no workflow files, per a clone on 4 November (0). Crash and regression line 0. The 18 October counts came from shields.io badges and YouTrack's JSON API, both struck in this run, and no first-hand reading of the GitHub tracker or YouTrack is possible today (github.com pages refused, JetBrains hosts paused). What's New dates every build, but entries are one line and no breaking change is called out, and versions are a date plus a build number, per the 18 October check (6). JetBrains said Junie left Beta on 17 June 2026, but the headless page dated 15 October still calls the CLI an EAP, per the 18 October check (10). 17+0+0+6+10 = 33.", "b": "Read as a hosted API. status.openai.com has an Agents component under APIs (20). Since release on 10 September (57 days, not 90), the feed names the Agents API in a degraded-performance incident on 14 September, the elevated errors across ChatGPT, Codex and the API on 29 September (the openai-api listing reads that one as a major, 17:52 to 23:14 UTC), computer use issues and degraded workspace agents on 6 and 7 October, degraded performance across the APIs for 22 minutes on 21 October, and overbilling for hosted containers on 19 September. One major, the rest minor (10). Rate limits come from the shared guide, published per tier and model with headers, and the errors page adds a Files API allowance on session creation (15). 429 and 503 guidance with Retry-After, capped backoff and a check-then-retry procedure for turns (15). The Scale Tier SLA in the openai-api listing isn't shown to cover a beta API (0). Public beta behind the agents=v1 header (0). 20 + 10 + 15 + 15 + 0 + 0 = 60." }, "scores": { "a": 33, "b": 60 } }, { "by": 26, "category": "schema", "leads": "openai-agents-api", "name": "Schema \u0026 documentation", "reasons": { "a": "Framework reading. A CLI reference that lists every flag with examples, documented formats for the allowlist, config.json, custom model profiles and hook payloads, and ACP as the editor protocol. No schema for the json or json-stream output was found, and the OpenAPI covers only update metadata (12). llms.txt exists and claims Markdown by content negotiation, but docs pages came back as HTML with `Accept: text/markdown` and llms.txt doesn't index them (6). Pages say when to use ACP and when not, and how trust works in each launch mode, but the headless page doesn't say what happens when an action needs approval (13). Output formats, effort levels, channels and allowlist actions are enumerated, though the effort values differ between the CLI reference and the model page (11). Examples throughout and nine StopFailure categories in the hooks page, but no exit codes or error format (8). A dated release list and dated docs pages (12). 12+6+13+11+8+12 = 62. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.", "b": "The reference is linked from the overview and the SDKs carry beta.agents types; we didn't confirm /agents/sessions in OpenAI's public OpenAPI file, so 15 of 25. llms.txt with every Agents API page and Markdown twins (10). The overview, architecture page and the agents guide that compares the Agents API, Agents SDK and Responses API say when to use it (20). Typed configuration with enumerated container sizes, network modes and environment types (13 of 15). Examples in six languages and an errors page with codes per HTTP status, turn and session (15). Dated changelog entries and a versioned beta header (15). 15 + 10 + 20 + 13 + 15 + 15 = 88." }, "scores": { "a": 62, "b": 88 } }, { "by": 25, "category": "ergonomics", "leads": "openai-agents-api", "name": "Agent ergonomics", "reasons": { "a": "Framework reading, adapted to a harness driven by a pipeline. MCP tools can be allowed per server prefix, and default MCP, skill, agent and config locations can each be switched off, with no deferred tool loading found (15). text, json and json-stream output and `--json-output-file`. Remote mode mentions a step limit, but no turn, time or spend cap for a headless run was documented (10). No exit codes. A Stop hook can end a task with a failure status, and StopFailure names the failure category (8). Sessions resume with `--session-id` or `--resume`, and worktrees isolate parallel sessions (14). One command with `--auth` and a dynamically chosen default model, a GitHub Action and GitLab CI, and no SDK (8). 15+10+8+14+8 = 55. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.", "b": "Read as an API an agent drives. Context is compacted automatically, and session budgets and streamed events keep output sized (20 of 25). Sessions can be listed, continued and steered, events streamed or sent by webhook, artifacts fetched (15 of 20). Actionable error codes with recovery steps (20). No idempotency key; a documented check-then-retry procedure (10 of 20). One session call with defaults (medium sandbox, network enabled), SDKs in five languages (15). 20 + 15 + 20 + 10 + 15 = 80." }, "scores": { "a": 55, "b": 80 } }, { "by": 23, "category": "maintenance", "leads": "openai-agents-api", "name": "Maintenance \u0026 community", "reasons": { "a": "Release 26.11.3 (build 3959.5) added to the release feed on 3 November 2026, read from a clone of JetBrains/junie (30). The release channel added 30 builds between 6 August and 3 November, from 2651.3 on 11 August to 3959.5, and the repository has 1,032 tags created in that window, most of them nightly builds (20). Responsiveness 5 of 25. The 18 October counts of the GitHub tracker and YouTrack came from shields.io badges and YouTrack's JSON API, both struck, so what is left is the dated What's New page and a Discord server, per the 18 October check, with replies unread (5). No SDK and no registry entry. The GitHub Action is at v1 and GitLab CI is documented, and ACP is kept current, per the 18 October check (6). Closed source with no workflow files in the repository, so no CI or dependency health to read. The installer checks sums, and npm sat five weeks behind the release feed on 18 October (3). 30+20+5+6+3 = 64.", "b": "Closed API. Last dated change 16 October 2026, Ultrafast mode and document skills (30). Four dated changelog entries in the 57 days since release, 10 September, 29 September, 9 October and 16 October (20). Changelog and help centre, as the openai-api listing reads them (12 of 15). Official SDKs carry beta.agents (15). SDK CI, per the openai-api listing (10). 30 + 20 + 12 + 15 + 10 = 87." }, "scores": { "a": 64, "b": 87 } }, { "by": 12, "category": "payments", "leads": "junie", "name": "Payments \u0026 pricing", "reasons": { "a": "Harness reading of the published rubric. No payment protocol (0). Plan prices and the US$1 credit are public without a login, but per-model credit rates and Junie API key usage rates weren't found (12). Junie Lite is free with a JetBrains account and no card (20). Judgement call. The docs present BYOK keys and custom endpoints such as Ollama as alternatives to a JetBrains sign-in, so a pipeline holding a provider key needs no JetBrains signup, but the headless page says a token is required and a Junie API key is created by hand at junie.jetbrains.com/cli (10). 0+12+20+10 = 42. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.", "b": "No machine payment protocol (0). Model, tool and container prices published without a login, and no fee for the API itself (20). The Free tier reading of the openai-api listing, half (10). Sign-up in a browser (0). 0 + 20 + 10 + 0 = 30." }, "scores": { "a": 42, "b": 30 } } ], "facts": [ { "a": "Agent harness", "b": "HTTP API", "name": "Kind" }, { "a": "JetBrains", "b": "OpenAI", "name": "Vendor" }, { "a": "no (local only)", "b": "https://api.openai.com/v1/agents/sessions", "name": "Hosted endpoint" }, { "a": "", "b": "https", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Freemium", "b": "Pay per use", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Proprietary, JetBrains s.r.o., all rights reserved, under the JetBrains AI Terms of Service. The GitHub repository holds the README, release binaries and the issue tracker, not source", "b": "Proprietary hosted API under OpenAI's Services Agreement. The SDKs are Apache 2.0", "name": "Licence" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-11-03", "b": "2026-10-16", "name": "Last release" }, { "a": "2025-09-30", "b": "couldn't be read", "name": "Terms last updated" }, { "a": "2026-06-12", "b": "couldn't be read", "name": "Privacy policy last updated" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Terms restrict automated access" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Terms restrict benchmarking" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Terms or service can change without notice" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Arbitration or class-action waiver" }, { "a": "3.2k npm/wk", "b": "none", "name": "Popularity" }, { "a": "2.8/5 (4)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Junie CLI's 49 (D), and leads in 6 of 7 scored categories. Junie CLI leads on payments \u0026 pricing.", "question": "Which is better for AI agents, Junie CLI or OpenAI Agents API?" }, { "answer": "No hosted endpoint is listed for Junie CLI. OpenAI Agents API has a hosted endpoint at https://api.openai.com/v1/agents/sessions.", "question": "Can an agent call Junie CLI and OpenAI Agents API without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Payments \u0026 pricing, 42 against 30" ], "also": [ "Free to start without a card" ], "goodFor": "Teams on JetBrains IDEs who want the same agent in a terminal, CI and ACP editors, and people who want a free tier or their own model keys and local endpoints.", "slug": "junie", "watchFor": "One-shot, piped, ACP and Gateway runs trust the project by design and load its MCP servers, hooks, agents and skills without a prompt" }, { "aheadOn": [ "Reliability, 60 against 33", "Schema \u0026 documentation, 88 against 62", "Agent ergonomics, 80 against 55", "Security \u0026 auth, 87 against 56", "Maintenance \u0026 community, 87 against 64", "Transparency \u0026 trust, 85 against 77" ], "also": [ "Agent-ready, a grade of BB or better", "A hosted endpoint, with nothing to install", "No incidents deducted, where Junie CLI loses 4 points for them" ], "goodFor": "Teams that want OpenAI to run the agent loop, with sandboxes, MCP tools and subagents, and are fine with a beta API, US-only data residency and no Zero Data Retention.", "slug": "openai-agents-api", "watchFor": "Public beta since 10 September 2026 behind the agents=v1 beta header, with no GA date" } ], "history": { "junie": [ { "causes": [ "security", "correction" ], "date": "2026-11-04", "delta": -4.1, "from": 53.1, "fromGrade": "D", "to": 49, "toGrade": "D" }, { "causes": [ "method" ], "date": "2026-10-30", "delta": -0.1, "from": 53.2, "fromGrade": "D", "to": 53.1, "toGrade": "D" } ], "openai-agents-api": null }, "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-junie.json", "title": "Agent Zero vs Junie CLI", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-junie" }, { "json": 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OpenAI Agents API", "url": "https://www.anchorterminal.com/compare/minimax-code-vs-openai-agents-api" }, { "json": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-openai-agents-api.json", "title": "Mistral Vibe CLI vs OpenAI Agents API", "url": "https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-openai-agents-api" }, { "json": "https://www.anchorterminal.com/compare/muse-code-vs-openai-agents-api.json", "title": "Muse Code vs OpenAI Agents API", "url": "https://www.anchorterminal.com/compare/muse-code-vs-openai-agents-api" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openai-codex.json", "title": "OpenAI Agents API vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-opencode.json", "title": "OpenAI Agents API vs OpenCode", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-opencode" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openhands.json", "title": "OpenAI Agents API vs OpenHands", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openhands" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openmausbot.json", "title": "OpenAI Agents API vs OpenMausBot", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-openmausbot" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-prime-agent.json", "title": "OpenAI Agents API vs Prime Agent", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-qoder-cli.json", "title": "OpenAI Agents API vs Qoder CLI", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-qoder-cli" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-qwen-code.json", "title": "OpenAI Agents API vs Qwen Code", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-reflection-mirror.json", "title": "OpenAI Agents API vs Mirror CLI", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-reflection-mirror" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-rovo-dev-cli.json", "title": "OpenAI Agents API vs Rovo Dev CLI", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-rovo-dev-cli" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-unstoppable.json", "title": "OpenAI Agents API vs Unstoppable", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-vibe-trading.json", "title": "OpenAI Agents API vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/openai-agents-api-vs-warp.json", "title": "OpenAI Agents API vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/openai-agents-api-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/clawboo-vs-junie.json", "title": "Clawboo vs Junie CLI", "url": "https://www.anchorterminal.com/compare/clawboo-vs-junie" }, { "json": "https://www.anchorterminal.com/compare/cli-manager-vs-junie.json", "title": "CLI Manager vs Junie CLI", "url": "https://www.anchorterminal.com/compare/cli-manager-vs-junie" }, { "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-junie.json", "title": "Harness vs Junie CLI", "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-junie" }, { "json": "https://www.anchorterminal.com/compare/junie-vs-paperclip.json", "title": "Junie CLI vs Paperclip", "url": "https://www.anchorterminal.com/compare/junie-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/junie-vs-parallax-agents.json", "title": "Junie CLI vs Parallax", "url": "https://www.anchorterminal.com/compare/junie-vs-parallax-agents" } ], "panel": null, "scores": [ { "by": 27, "edge": "openai-agents-api", "junie": 33, "key": "reliability", "name": "Reliability", "openai-agents-api": 60, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 26, "edge": "openai-agents-api", "junie": 62, "key": "schema", "name": "Schema \u0026 documentation", "openai-agents-api": 88, "weight": 13 }, { "by": 25, "edge": "openai-agents-api", "junie": 55, "key": "ergonomics", "name": "Agent ergonomics", "openai-agents-api": 80, "weight": 13 }, { "by": 31, "edge": "openai-agents-api", "junie": 56, "key": "security", "name": "Security \u0026 auth", "openai-agents-api": 87, "weight": 14 }, { "by": 12, "edge": "junie", "junie": 42, "key": "payments", "name": "Payments \u0026 pricing", "openai-agents-api": 30, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 23, "edge": "openai-agents-api", "junie": 64, "key": "maintenance", "name": "Maintenance \u0026 community", "openai-agents-api": 87, "weight": 7 }, { "by": 8, "edge": "openai-agents-api", "junie": 77, "key": "transparency", "name": "Transparency \u0026 trust", "openai-agents-api": 85, "weight": 7 } ], "summary": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Junie CLI's 49 (D), and leads in 6 of 7 scored categories. Junie CLI leads on payments \u0026 pricing. Both do agent harnesses.", "tasks": null, "tutorials": [], "verdicts": { "junie": "Runs headless with JSON output, speaks ACP, and works with JetBrains AI plans, a free Junie Lite tier, the owner's own provider keys or a local endpoint. Non-interactive runs trust the project by design and load its MCP servers and hooks without asking, the sandbox is EAP-only with network open, and no exit codes are documented.", "openai-agents-api": "OpenAI's hosted agent runtime, the Codex harness behind one session call, with MCP, functions, web search, computer use, subagents and sandboxes on OpenAI or your own infrastructure. Documentation, errors and SDKs are thorough. It's still public beta, can't use Zero Data Retention and keeps data in the United States only." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/junie-vs-openai-agents-api", "json": "https://www.anchorterminal.com/compare/junie-vs-openai-agents-api.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/junie-vs-openai-agents-api.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/junie-vs-openai-agents-api.min.md" }, "markdown": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Junie CLI's 49 (D), and leads in 6 of 7 scored categories. Junie CLI leads on payments \u0026 pricing. Both do agent harnesses.\n\n- Junie CLI: grade D, 49/100, rank #999 of 1354. Markdown https://www.anchorterminal.com/tools/junie.md · JSON https://www.anchorterminal.com/api/v1/tools/junie.json\n- OpenAI Agents API: grade BB, 73.3/100, rank #99 of 1354. Markdown https://www.anchorterminal.com/tools/openai-agents-api.md · JSON https://www.anchorterminal.com/api/v1/tools/openai-agents-api.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 1041 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### Junie CLI (D)\n\nGood for: Teams on JetBrains IDEs who want the same agent in a terminal, CI and ACP editors, and people who want a free tier or their own model keys and local endpoints.\n\nAhead on:\n- Payments \u0026 pricing, 42 against 30\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: One-shot, piped, ACP and Gateway runs trust the project by design and load its MCP servers, hooks, agents and skills without a prompt\n\n### OpenAI Agents API (BB)\n\nGood for: Teams that want OpenAI to run the agent loop, with sandboxes, MCP tools and subagents, and are fine with a beta API, US-only data residency and no Zero Data Retention.\n\nAhead on:\n- Reliability, 60 against 33\n- Schema \u0026 documentation, 88 against 62\n- Agent ergonomics, 80 against 55\n- Security \u0026 auth, 87 against 56\n- Maintenance \u0026 community, 87 against 64\n- Transparency \u0026 trust, 85 against 77\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- A hosted endpoint, with nothing to install\n- No incidents deducted, where Junie CLI loses 4 points for them\n\nWatch for: Public beta since 10 September 2026 behind the agents=v1 beta header, with no GA date\n\n\n## Why the edge\n\n### Security \u0026 auth: OpenAI Agents API +31\n\n- Junie CLI (56): Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. A browser login, a long-lived Junie API key with no scopes we found, or provider keys passed as flags or environment variables. The CLI's statistics default isn't stated (13). The allowlist asks before terminal commands, MCP tools, edits outside the project, reads outside it and secret files, and checks every part of chained, nested and multi-line commands. Brave mode is interactive only. Sandbox mode limits writes and hides `~/.ssh`, but it's EAP-only, off by default, missing on Windows, and leaves the network open by default (12). Interactive runs keep an untrusted project's MCP servers, hooks and skills unloaded and a project can't widen the sandbox, but one-shot, piped, ACP and Gateway runs trust every project by design, and the docs say to run them only in trusted projects (9). `/usage` shows per-session cost and sessions are stored, and PreToolUse hooks in batch runs can log or block tools, but they're EAP, and no audit log for the CLI was found (7). A coordinated disclosure policy (updated 10 October 2026) and a security.txt contact, CVEs JetBrains publishes as a CVE numbering authority (three for Junie in cvelistV5) and a fixed-issues page, discretionary rewards with no formal bounty, and SOC 2 per the Junie homepage. The repository has no SECURITY.md, per a clone on 4 November (15). The docs, policy and homepage readings are per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites. 13+12+9+7+15 = 56.\n- OpenAI Agents API (87): Project keys with restricted per-endpoint permissions, service accounts and workload identity, per the openai-api listing; we didn't confirm a key can be limited to /v1/agents (27 of 30). Automatic review for approvals, a sandbox network restricted to a host allowlist, vaults for secrets and a sandbox security guide (17 of 20). The agent reads web pages, MCP results and browser content; the sandbox security guide and approval flow are the mitigations, with no prompt-injection guide of its own found (8 of 15). Tracing, observability and usage per session and admin audit logs (15). SOC 2 Type 2, ISO 27001 family, Bugcrowd bounty and a disclosure policy, per the openai-api listing (20). Not ZDR-eligible and US residency only, recorded under transparency. 27 + 17 + 8 + 15 + 20 = 87.\n\n### Reliability: OpenAI Agents API +27\n\n- Junie CLI (33): Local-package reading, the same as the other closed-source harnesses. Install scripts for macOS, Linux and Windows on x86-64 and ARM64, a Homebrew tap and npm, with SHA-256 sums checked against the release feed (update-info.jsonl, read from a clone on 4 November), but the script carries on without a sum for an unlisted version and npm sat five weeks behind at 3110.7.0 on 18 October (17). No public CI or test suite. No source is published and the repository has no workflow files, per a clone on 4 November (0). Crash and regression line 0. The 18 October counts came from shields.io badges and YouTrack's JSON API, both struck in this run, and no first-hand reading of the GitHub tracker or YouTrack is possible today (github.com pages refused, JetBrains hosts paused). What's New dates every build, but entries are one line and no breaking change is called out, and versions are a date plus a build number, per the 18 October check (6). JetBrains said Junie left Beta on 17 June 2026, but the headless page dated 15 October still calls the CLI an EAP, per the 18 October check (10). 17+0+0+6+10 = 33.\n- OpenAI Agents API (60): Read as a hosted API. status.openai.com has an Agents component under APIs (20). Since release on 10 September (57 days, not 90), the feed names the Agents API in a degraded-performance incident on 14 September, the elevated errors across ChatGPT, Codex and the API on 29 September (the openai-api listing reads that one as a major, 17:52 to 23:14 UTC), computer use issues and degraded workspace agents on 6 and 7 October, degraded performance across the APIs for 22 minutes on 21 October, and overbilling for hosted containers on 19 September. One major, the rest minor (10). Rate limits come from the shared guide, published per tier and model with headers, and the errors page adds a Files API allowance on session creation (15). 429 and 503 guidance with Retry-After, capped backoff and a check-then-retry procedure for turns (15). The Scale Tier SLA in the openai-api listing isn't shown to cover a beta API (0). Public beta behind the agents=v1 header (0). 20 + 10 + 15 + 15 + 0 + 0 = 60.\n\n### Schema \u0026 documentation: OpenAI Agents API +26\n\n- Junie CLI (62): Framework reading. A CLI reference that lists every flag with examples, documented formats for the allowlist, config.json, custom model profiles and hook payloads, and ACP as the editor protocol. No schema for the json or json-stream output was found, and the OpenAPI covers only update metadata (12). llms.txt exists and claims Markdown by content negotiation, but docs pages came back as HTML with `Accept: text/markdown` and llms.txt doesn't index them (6). Pages say when to use ACP and when not, and how trust works in each launch mode, but the headless page doesn't say what happens when an action needs approval (13). Output formats, effort levels, channels and allowlist actions are enumerated, though the effort values differ between the CLI reference and the model page (11). Examples throughout and nine StopFailure categories in the hooks page, but no exit codes or error format (8). A dated release list and dated docs pages (12). 12+6+13+11+8+12 = 62. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.\n- OpenAI Agents API (88): The reference is linked from the overview and the SDKs carry beta.agents types; we didn't confirm /agents/sessions in OpenAI's public OpenAPI file, so 15 of 25. llms.txt with every Agents API page and Markdown twins (10). The overview, architecture page and the agents guide that compares the Agents API, Agents SDK and Responses API say when to use it (20). Typed configuration with enumerated container sizes, network modes and environment types (13 of 15). Examples in six languages and an errors page with codes per HTTP status, turn and session (15). Dated changelog entries and a versioned beta header (15). 15 + 10 + 20 + 13 + 15 + 15 = 88.\n\n### Agent ergonomics: OpenAI Agents API +25\n\n- Junie CLI (55): Framework reading, adapted to a harness driven by a pipeline. MCP tools can be allowed per server prefix, and default MCP, skill, agent and config locations can each be switched off, with no deferred tool loading found (15). text, json and json-stream output and `--json-output-file`. Remote mode mentions a step limit, but no turn, time or spend cap for a headless run was documented (10). No exit codes. A Stop hook can end a task with a failure status, and StopFailure names the failure category (8). Sessions resume with `--session-id` or `--resume`, and worktrees isolate parallel sessions (14). One command with `--auth` and a dynamically chosen default model, a GitHub Action and GitLab CI, and no SDK (8). 15+10+8+14+8 = 55. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.\n- OpenAI Agents API (80): Read as an API an agent drives. Context is compacted automatically, and session budgets and streamed events keep output sized (20 of 25). Sessions can be listed, continued and steered, events streamed or sent by webhook, artifacts fetched (15 of 20). Actionable error codes with recovery steps (20). No idempotency key; a documented check-then-retry procedure (10 of 20). One session call with defaults (medium sandbox, network enabled), SDKs in five languages (15). 20 + 15 + 20 + 10 + 15 = 80.\n\n### Maintenance \u0026 community: OpenAI Agents API +23\n\n- Junie CLI (64): Release 26.11.3 (build 3959.5) added to the release feed on 3 November 2026, read from a clone of JetBrains/junie (30). The release channel added 30 builds between 6 August and 3 November, from 2651.3 on 11 August to 3959.5, and the repository has 1,032 tags created in that window, most of them nightly builds (20). Responsiveness 5 of 25. The 18 October counts of the GitHub tracker and YouTrack came from shields.io badges and YouTrack's JSON API, both struck, so what is left is the dated What's New page and a Discord server, per the 18 October check, with replies unread (5). No SDK and no registry entry. The GitHub Action is at v1 and GitLab CI is documented, and ACP is kept current, per the 18 October check (6). Closed source with no workflow files in the repository, so no CI or dependency health to read. The installer checks sums, and npm sat five weeks behind the release feed on 18 October (3). 30+20+5+6+3 = 64.\n- OpenAI Agents API (87): Closed API. Last dated change 16 October 2026, Ultrafast mode and document skills (30). Four dated changelog entries in the 57 days since release, 10 September, 29 September, 9 October and 16 October (20). Changelog and help centre, as the openai-api listing reads them (12 of 15). Official SDKs carry beta.agents (15). SDK CI, per the openai-api listing (10). 30 + 20 + 12 + 15 + 10 = 87.\n\n### Payments \u0026 pricing: Junie CLI +12\n\n- Junie CLI (42): Harness reading of the published rubric. No payment protocol (0). Plan prices and the US$1 credit are public without a login, but per-model credit rates and Junie API key usage rates weren't found (12). Junie Lite is free with a JetBrains account and no card (20). Judgement call. The docs present BYOK keys and custom endpoints such as Ollama as alternatives to a JetBrains sign-in, so a pipeline holding a provider key needs no JetBrains signup, but the headless page says a token is required and a Junie API key is created by hand at junie.jetbrains.com/cli (10). 0+12+20+10 = 42. Per the 18 October check, not re-read on 4 November, because JetBrains' website terms bar robots and data mining on its sites.\n- OpenAI Agents API (30): No machine payment protocol (0). Model, tool and container prices published without a login, and no fee for the API itself (20). The Free tier reading of the openai-api listing, half (10). Sign-up in a browser (0). 0 + 20 + 10 + 0 = 30.\n\n## Score by category\n\n| Category | Weight | Junie CLI | OpenAI Agents API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 33 | 60 | OpenAI Agents API +27 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 62 | 88 | OpenAI Agents API +26 |\n| Agent ergonomics | 13% (16.2 this run) | 55 | 80 | OpenAI Agents API +25 |\n| Security \u0026 auth | 14% (17.5 this run) | 56 | 87 | OpenAI Agents API +31 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 42 | 30 | Junie CLI +12 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 64 | 87 | OpenAI Agents API +23 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 77 | 85 | OpenAI Agents API +8 |\n| Negative events | ≤15 | -4 | 0 | |\n| **Total** | | **49 · D** | **73.3 · BB** | |\n\n## Facts side by side\n\n| Fact | Junie CLI | OpenAI Agents API |\n| --- | --- | --- |\n| Kind | Agent harness | HTTP API |\n| Vendor | JetBrains | OpenAI |\n| Hosted endpoint | no (local only) | `https://api.openai.com/v1/agents/sessions` |\n| Transports | | https |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | Proprietary, JetBrains s.r.o., all rights reserved, under the JetBrains AI Terms of Service. The GitHub repository holds the README, release binaries and the issue tracker, not source | Proprietary hosted API under OpenAI's Services Agreement. The SDKs are Apache 2.0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-11-03 | 2026-10-16 |\n| Terms last updated | 2025-09-30 | couldn't be read |\n| Privacy policy last updated | 2026-06-12 | couldn't be read |\n| Customer content may train models | not found in the text | couldn't be read |\n| Terms restrict automated access | not found in the text | couldn't be read |\n| Terms restrict benchmarking | not found in the text | couldn't be read |\n| Terms or service can change without notice | not found in the text | couldn't be read |\n| Arbitration or class-action waiver | not found in the text | couldn't be read |\n| Popularity | 3.2k npm/wk | none |\n| Agent reviews | 2.8/5 (4) | none |\n\n## How the scores have moved\n\n### Junie CLI\n\n- -4.1 on 4 November 2026: security, correction\n- -0.1 on 30 October 2026: checklist\n\n### OpenAI Agents API\n\nNo score change since it was listed.\n\n## Verdicts\n\n**Junie CLI.** Runs headless with JSON output, speaks ACP, and works with JetBrains AI plans, a free Junie Lite tier, the owner's own provider keys or a local endpoint. Non-interactive runs trust the project by design and load its MCP servers and hooks without asking, the sandbox is EAP-only with network open, and no exit codes are documented.\n\n**OpenAI Agents API.** OpenAI's hosted agent runtime, the Codex harness behind one session call, with MCP, functions, web search, computer use, subagents and sandboxes on OpenAI or your own infrastructure. Documentation, errors and SDKs are thorough. It's still public beta, can't use Zero Data Retention and keeps data in the United States only.\n\n## Before you call either\n\n### Junie CLI\n\n1. Run headless only in repositories you trust. One-shot and piped runs load the project's MCP servers, hooks and skills without asking\n2. Set `JUNIE_API_KEY` (from junie.jetbrains.com/cli) or a provider key such as `JUNIE_ANTHROPIC_API_KEY` in CI. The default sign-in opens a browser\n3. Add `--output-format json` or `--json-output-file` to parse results. Check the output, since exit codes aren't documented\n4. Pass `--share-anonymous-statistics false` if no usage statistics may leave the runner\n5. Pin a build with `--use-version` and `--skip-update-check`. The CLI updates itself on start by default\n\n### OpenAI Agents API\n\n1. POST https://api.openai.com/v1/agents/sessions with a project key and the header OpenAI-Beta: agents=v1, or use client.beta.agents in the SDKs\n2. Before retrying, retrieve the session and turn and check which actions completed, since there's no idempotency key\n3. Set the sandbox network to restricted with an allowlist of up to 100 hosts when the agent doesn't need the open web\n4. Save files from /workspace/outputs before deleting a session; no retention period is stated for artifacts\n5. Don't send data that needs Zero Data Retention or non-US residency; the Agents API supports neither\n\n## Questions\n\n### Which is better for AI agents, Junie CLI or OpenAI Agents API?\n\nOpenAI Agents API scores 73.3 (BB) on agent readiness against Junie CLI's 49 (D), and leads in 6 of 7 scored categories. Junie CLI leads on payments \u0026 pricing.\n\n### Can an agent call Junie CLI and OpenAI Agents API without installing anything?\n\nNo hosted endpoint is listed for Junie CLI. OpenAI Agents API has a hosted endpoint at https://api.openai.com/v1/agents/sessions.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/junie-vs-openai-agents-api.json, and with the fewest tokens: https://www.anchorterminal.com/compare/junie-vs-openai-agents-api.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"junie\", \"b\": \"openai-agents-api\"}`. From a terminal: `anchor compare junie openai-agents-api`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/junie.json and https://www.anchorterminal.com/api/v1/tools/openai-agents-api.json\n\n## Other comparisons with Junie CLI or OpenAI Agents API\n\n- [Agent Zero vs Junie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-junie.md)\n- [Agent Zero vs OpenAI Agents API](https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api.md)\n- [Aider vs Junie CLI](https://www.anchorterminal.com/compare/aider-vs-junie.md)\n- [Aider vs OpenAI Agents API](https://www.anchorterminal.com/compare/aider-vs-openai-agents-api.md)\n- [Amp vs Junie CLI](https://www.anchorterminal.com/compare/amp-vs-junie.md)\n- [Amp vs OpenAI Agents API](https://www.anchorterminal.com/compare/amp-vs-openai-agents-api.md)\n- [Antigravity CLI vs Junie CLI](https://www.anchorterminal.com/compare/antigravity-cli-vs-junie.md)\n- [Antigravity CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/antigravity-cli-vs-openai-agents-api.md)\n- [Auggie CLI vs Junie CLI](https://www.anchorterminal.com/compare/auggie-vs-junie.md)\n- [Auggie CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/auggie-vs-openai-agents-api.md)\n- [AXLR vs Junie CLI](https://www.anchorterminal.com/compare/axlr-vs-junie.md)\n- [AXLR vs OpenAI Agents API](https://www.anchorterminal.com/compare/axlr-vs-openai-agents-api.md)\n- [Claude Code vs Junie CLI](https://www.anchorterminal.com/compare/claude-code-vs-junie.md)\n- [Claude Code vs OpenAI Agents API](https://www.anchorterminal.com/compare/claude-code-vs-openai-agents-api.md)\n- [Cline vs Junie CLI](https://www.anchorterminal.com/compare/cline-vs-junie.md)\n- [Cline vs OpenAI Agents API](https://www.anchorterminal.com/compare/cline-vs-openai-agents-api.md)\n- [Crush vs Junie CLI](https://www.anchorterminal.com/compare/crush-vs-junie.md)\n- [Crush vs OpenAI Agents API](https://www.anchorterminal.com/compare/crush-vs-openai-agents-api.md)\n- [Cursor CLI vs Junie CLI](https://www.anchorterminal.com/compare/cursor-cli-vs-junie.md)\n- [Cursor CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/cursor-cli-vs-openai-agents-api.md)\n- [DeepSeek Harness (dsh) vs Junie CLI](https://www.anchorterminal.com/compare/deepseek-harness-vs-junie.md)\n- [DeepSeek Harness (dsh) vs OpenAI Agents API](https://www.anchorterminal.com/compare/deepseek-harness-vs-openai-agents-api.md)\n- [dsh-superagent (DeepSeek) vs Junie CLI](https://www.anchorterminal.com/compare/deepseek-superagent-vs-junie.md)\n- [dsh-superagent (DeepSeek) vs OpenAI Agents API](https://www.anchorterminal.com/compare/deepseek-superagent-vs-openai-agents-api.md)\n- [Devin vs Junie CLI](https://www.anchorterminal.com/compare/devin-vs-junie.md)\n- [Devin vs OpenAI Agents API](https://www.anchorterminal.com/compare/devin-vs-openai-agents-api.md)\n- [Droid CLI vs Junie CLI](https://www.anchorterminal.com/compare/droid-cli-vs-junie.md)\n- [Droid CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/droid-cli-vs-openai-agents-api.md)\n- [Pi vs Junie CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-junie.md)\n- [Pi vs OpenAI Agents API](https://www.anchorterminal.com/compare/earendil-pi-vs-openai-agents-api.md)\n- [Gemini CLI vs Junie CLI](https://www.anchorterminal.com/compare/gemini-cli-vs-junie.md)\n- [Gemini CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/gemini-cli-vs-openai-agents-api.md)\n- [GitHub Copilot CLI vs Junie CLI](https://www.anchorterminal.com/compare/github-copilot-cli-vs-junie.md)\n- [GitHub Copilot CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/github-copilot-cli-vs-openai-agents-api.md)\n- [goose vs Junie CLI](https://www.anchorterminal.com/compare/goose-vs-junie.md)\n- [goose vs OpenAI Agents API](https://www.anchorterminal.com/compare/goose-vs-openai-agents-api.md)\n- [Harness² vs Junie CLI](https://www.anchorterminal.com/compare/harness2-vs-junie.md)\n- [Harness² vs OpenAI Agents API](https://www.anchorterminal.com/compare/harness2-vs-openai-agents-api.md)\n- [HarnessRouter vs Junie CLI](https://www.anchorterminal.com/compare/harnessrouter-vs-junie.md)\n- [HarnessRouter vs OpenAI Agents API](https://www.anchorterminal.com/compare/harnessrouter-vs-openai-agents-api.md)\n- [Jules vs Junie CLI](https://www.anchorterminal.com/compare/jules-vs-junie.md)\n- [Jules vs OpenAI Agents API](https://www.anchorterminal.com/compare/jules-vs-openai-agents-api.md)\n- [Junie CLI vs Kilo Code CLI](https://www.anchorterminal.com/compare/junie-vs-kilo-code-cli.md)\n- [Junie CLI vs Kimi Code CLI](https://www.anchorterminal.com/compare/junie-vs-kimi-code-cli.md)\n- [Junie CLI vs Kiro CLI](https://www.anchorterminal.com/compare/junie-vs-kiro-cli.md)\n- [Junie CLI vs mini-swe-agent](https://www.anchorterminal.com/compare/junie-vs-mini-swe-agent.md)\n- [Junie CLI vs MiniMax Code](https://www.anchorterminal.com/compare/junie-vs-minimax-code.md)\n- [Junie CLI vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/junie-vs-mistral-vibe-cli.md)\n- [Junie CLI vs Muse Code](https://www.anchorterminal.com/compare/junie-vs-muse-code.md)\n- [Junie CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/junie-vs-openai-codex.md)\n- [Junie CLI vs OpenCode](https://www.anchorterminal.com/compare/junie-vs-opencode.md)\n- [Junie CLI vs OpenHands](https://www.anchorterminal.com/compare/junie-vs-openhands.md)\n- [Junie CLI vs OpenMausBot](https://www.anchorterminal.com/compare/junie-vs-openmausbot.md)\n- [Junie CLI vs Prime Agent](https://www.anchorterminal.com/compare/junie-vs-prime-agent.md)\n- [Junie CLI vs Qoder CLI](https://www.anchorterminal.com/compare/junie-vs-qoder-cli.md)\n- [Junie CLI vs Qwen Code](https://www.anchorterminal.com/compare/junie-vs-qwen-code.md)\n- [Junie CLI vs Mirror CLI](https://www.anchorterminal.com/compare/junie-vs-reflection-mirror.md)\n- [Junie CLI vs Rovo Dev CLI](https://www.anchorterminal.com/compare/junie-vs-rovo-dev-cli.md)\n- [Junie CLI vs Unstoppable](https://www.anchorterminal.com/compare/junie-vs-unstoppable.md)\n- [Junie CLI vs Vibe-Trading](https://www.anchorterminal.com/compare/junie-vs-vibe-trading.md)\n- [Junie CLI vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/junie-vs-warp.md)\n- [Kilo Code CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/kilo-code-cli-vs-openai-agents-api.md)\n- [Kimi Code CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/kimi-code-cli-vs-openai-agents-api.md)\n- [Kiro CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/kiro-cli-vs-openai-agents-api.md)\n- [mini-swe-agent vs OpenAI Agents API](https://www.anchorterminal.com/compare/mini-swe-agent-vs-openai-agents-api.md)\n- [MiniMax Code vs OpenAI Agents API](https://www.anchorterminal.com/compare/minimax-code-vs-openai-agents-api.md)\n- [Mistral Vibe CLI vs OpenAI Agents API](https://www.anchorterminal.com/compare/mistral-vibe-cli-vs-openai-agents-api.md)\n- [Muse Code vs OpenAI Agents API](https://www.anchorterminal.com/compare/muse-code-vs-openai-agents-api.md)\n- [OpenAI Agents API vs OpenAI Codex](https://www.anchorterminal.com/compare/openai-agents-api-vs-openai-codex.md)\n- [OpenAI Agents API vs OpenCode](https://www.anchorterminal.com/compare/openai-agents-api-vs-opencode.md)\n- [OpenAI Agents API vs OpenHands](https://www.anchorterminal.com/compare/openai-agents-api-vs-openhands.md)\n- [OpenAI Agents API vs OpenMausBot](https://www.anchorterminal.com/compare/openai-agents-api-vs-openmausbot.md)\n- [OpenAI Agents API vs Prime Agent](https://www.anchorterminal.com/compare/openai-agents-api-vs-prime-agent.md)\n- [OpenAI Agents API vs Qoder CLI](https://www.anchorterminal.com/compare/openai-agents-api-vs-qoder-cli.md)\n- [OpenAI Agents API vs Qwen Code](https://www.anchorterminal.com/compare/openai-agents-api-vs-qwen-code.md)\n- [OpenAI Agents API vs Mirror CLI](https://www.anchorterminal.com/compare/openai-agents-api-vs-reflection-mirror.md)\n- [OpenAI Agents API vs Rovo Dev CLI](https://www.anchorterminal.com/compare/openai-agents-api-vs-rovo-dev-cli.md)\n- [OpenAI Agents API vs Unstoppable](https://www.anchorterminal.com/compare/openai-agents-api-vs-unstoppable.md)\n- [OpenAI Agents API vs Vibe-Trading](https://www.anchorterminal.com/compare/openai-agents-api-vs-vibe-trading.md)\n- [OpenAI Agents API vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/openai-agents-api-vs-warp.md)\n- [Clawboo vs Junie CLI](https://www.anchorterminal.com/compare/clawboo-vs-junie.md)\n- [CLI Manager vs Junie CLI](https://www.anchorterminal.com/compare/cli-manager-vs-junie.md)\n- [Harness vs Junie CLI](https://www.anchorterminal.com/compare/harness-autonomous-vs-junie.md)\n- [Junie CLI vs Paperclip](https://www.anchorterminal.com/compare/junie-vs-paperclip.md)\n- [Junie CLI vs Parallax](https://www.anchorterminal.com/compare/junie-vs-parallax-agents.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-06", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Junie CLI vs OpenAI Agents API", "url": "" } ], "description": "OpenAI Agents scores 73.3 (BB) to Junie CLI's 49 (D) for agent harnesses. 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