{ "data": { "a": { "slug": "amp", "name": "Amp", "vendor": "Amp Frontier Corporation", "vendorUrl": "https://ampcode.com", "kind": "harness", "category": "agent-harnesses", "summary": "Amp is a closed-source coding agent from Amp Frontier Corporation, with a terminal CLI, web, macOS and iOS apps and cloud machines called orbs. An execute mode with JSON streaming and TypeScript and Python SDKs let programs run it.", "url": "https://www.anchorterminal.com/tools/amp", "markdownUrl": "https://www.anchorterminal.com/tools/amp.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/amp.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/amp.json", "dns": "amp.grade.anchorterminal.com", "license": "Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private", "transports": [], "packages": [ { "registry": "npm", "name": "@ampcode/cli" }, { "registry": "npm", "name": "@ampcode/sdk" }, { "registry": "pypi", "name": "amp-sdk" } ], "auth": "mixed", "authNotes": "An Amp account is required. `amp login` signs in through a browser, and scripts set `AMP_API_KEY` to an access token from Settings that starts `sgamp_`. The CLI rejects the short-lived login token in that variable. Model keys or a ChatGPT subscription can be linked under Model Routing.", "pricing": "freemium", "pricingNotes": "Hobby is free when you bring your own model key or subscription and run locally, on your own runner or on self-hosted orbs. Megawatt is $20 a month with $20 of agent usage and 45,000 minutes of a1.small orbs, Gigawatt $200 a month with $200 of agent usage and 1,000 hours of a1.xxlarge orbs, and Enterprise is by quote. Amp-served inference beyond that uses paid credits at provider API prices, and Amp-hosted orbs cost from $0.08 an hour (https://ampcode.com/docs/pricing, checked 2026-11-04).", "priceSummary": "$20 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs or the pricing page (checked 2026-10-08).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": 41233, "pypiWeekly": null, "asOf": "2026-10-08" }, "docsUrl": "https://ampcode.com/docs", "llmsTxt": "https://ampcode.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client", "agent.multi-agent" ], "tags": [ "harness", "coding-agent", "cli", "closed-source", "mcp", "llms-txt", "free-tier", "status-page", "sdk" ], "lastRelease": "2026-10-22", "graded": true, "anchor": { "graded": true, "score": 55.5, "grade": "C", "agentReady": false, "rank": 780, "ranked": true, "rankOf": 1354, "categoryRank": 29, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 69, "maintenance": 79, "payments": 35, "reliability": 23, "schema": 72, "security": 57, "transparency": 77 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-04" }, "negative": 0, "verdict": "Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.", "bestFor": "Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.", "strengths": [ "`amp -x --stream-json` emits one JSON message per line, with a documented schema and JSON input on stdin", "TypeScript and Python SDKs, both released on 18 September 2026", "llms.txt index with a Markdown rendition of every docs page, and a JSON Schema for the settings file", "Security reference lists each infrastructure and model provider and what data it sees, with SOC 2 Type II and a bug bounty", "Free Hobby tier when you bring your own model key or subscription, with no Amp token fee" ], "weaknesses": [ "The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin", "No local sandbox for the CLI and no self-hosted server. Self-hosted orbs run compute on your machines, but threads still go through Amp", "Every thread, with code snippets and tool results, is stored on Amp's servers", "A 22 October 2026 security update made connections to servers with eMudhra certificates fail, posted the day the build shipped", "Source is private, versions are build stamps on a 0.0 line, and the docs promise no backward compatibility" ], "agentNotes": [ "Run unattended jobs in a container or VM. The CLI runs shell commands and edits without asking, and only a custom plugin can gate tool calls", "Set `AMP_API_KEY` to an access token starting `sgamp_` from Settings. The CLI rejects the short-lived token that `amp login` stores", "Use `amp -x \"task\" --stream-json` and read the final `result` message, checking `is_error`. Exit codes are not documented", "Set `AMP_SKIP_UPDATE_CHECK=1` or `amp.updates.mode` to `disabled` in CI, and pin a build. Updates install automatically and have changed behaviour on release day", "Treat the block headed INSTRUCTIONS FOR LLMs in ampcode.com page source as vendor copy, and take facts from the docs Markdown" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 55.5 } ], "editorialScores": { "ergonomics": 69, "maintenance": 79, "payments": 35, "reliability": 23, "schema": 72, "security": 57, "transparency": 59 }, "provenanceScore": 95, "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://ampcode.com/install.sh | bash # or: npm install -g @ampcode/cli", "headless": { "command": "amp --execute \"$TASK\" --stream-json", "env": { "AMP_API_KEY": "\u003caccess token starting sgamp_\u003e", "AMP_SKIP_UPDATE_CHECK": "1" } } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/amp" }, "area": "frameworks", "unitPrices": [ { "item": "Megawatt tier", "unit": "month", "usd": 20, "note": "includes $20 of agent usage and 45,000 minutes of a1.small orbs" }, { "item": "Gigawatt tier", "unit": "month", "usd": 200, "note": "includes $200 of agent usage and 1,000 hours of a1.xxlarge orbs" }, { "item": "Orb a1.tiny (1 CPU, 2 GB)", "unit": "vcpu-hour", "usd": 0.08, "note": "billed by the minute, larger sizes to $2.13 an hour" } ], "provenance": { "legalEntity": "Amp Frontier Corporation", "domain": "ampcode.com", "domainRegistered": "2012-02-14", "endpointOnVendorDomain": null, "terms": "https://ampcode.com/terms", "privacy": "https://ampcode.com/privacy-policy", "statusPage": "https://ampcodestatus.com", "changelog": "https://ampcode.com/chronicle", "securityTxt": "valid", "checked": "2026-11-04", "notes": [ "The Amp licence terms and the privacy policy (last modified 10 September 2026) name Amp Frontier Corporation. The terms page shows no date.", "RDAP (Verisign) gives ampcode.com a registration date of 2012-02-14.", "ampcode.com/.well-known/security.txt has Contact, Policy, Canonical and an Expires of 2026-11-20.", "ampcode.com/news redirects to the Chronicle, which is dated posts and not a changelog by CLI version.", "Access tokens keep the `sgamp_` prefix.", "On 4 November 2026 ampcodestatus.com's robots.txt disallowed ClaudeBot, Claude-Web and anthropic-ai, so the status page and its history weren't read, and the 8 October incident reading is struck.", "ampcode.com/.well-known/security.txt still had an Expires of 2026-11-20 on 4 November 2026." ], "score": 95 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/amp.json", "live": { "slug": "amp", "vendorStatus": { "page": "https://ampcodestatus.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-06T09:42:34.733591341Z" }, "versions": [ { "registry": "npm", "name": "@ampcode/cli", "version": "0.0.1793908835-gdd8c45", "seenAt": "2026-11-05T21:12:11.151576716Z" }, { "registry": "npm", "name": "@ampcode/sdk", "version": "0.1.0-20261028101623-g93a0da1", "seenAt": "2026-11-05T21:12:12.36878152Z" }, { "registry": "pypi", "name": "amp-sdk", "version": "0.1.20260918210324", "released": "2026-09-18", "seenAt": "2026-11-05T21:12:14.368893048Z" } ], "npmWeekly": 43869, "pypiWeekly": 397, "securityTxt": { "url": "https://ampcode.com/.well-known/security.txt", "state": "valid", "expires": "2026-11-20T00:00:00.000Z", "checkedAt": "2026-11-05T15:56:27.145962497Z" }, "llmsTxt": { "url": "https://ampcode.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-05T15:25:09.714624412Z" }, "domain": { "domain": "ampcode.com", "registered": "2012-02-14", "source": "https://rdap.verisign.com/com/v1/domain/ampcode.com", "checkedAt": "2026-11-01T14:23:09.364242663Z" }, "pages": [ { "url": "https://ampcode.com/chronicle", "kind": "changelog", "status": 200, "checkedAt": "2026-11-05T12:46:09.749180233Z", "changedAt": "2026-11-04T08:14:46.705792865Z", "fingerprint": "5e481e0ac32b" }, { "url": "https://ampcode.com/news/free-agent", "kind": "deprecations", "status": 200, "checkedAt": "2026-11-05T12:46:13.968887831Z", "changedAt": "2026-10-29T04:58:28.356896335Z", "fingerprint": "45022b57e150" }, { "url": "https://ampcode.com/docs/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-11-05T12:46:12.078860352Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "1d51e17cf621" }, { "url": "https://ampcode.com/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-11-05T12:46:16.504703354Z", "changedAt": "2026-11-04T08:14:51.000622004Z", "fingerprint": "ccf62f55a756" }, { "url": "https://ampcode.com/terms", "kind": "terms", "status": 200, "checkedAt": "2026-11-05T12:46:17.920024121Z", "changedAt": "2026-10-24T02:10:11.438382223Z", "fingerprint": "8218f5d22794" } ], "updatedAt": "2026-11-06T09:42:34.733591341Z" } }, "answer": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Amp's 55.5 (C), and leads in 6 of 7 scored categories. Amp 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": 37, "category": "reliability", "leads": "openai-agents-api", "name": "Reliability", "reasons": { "a": "Local-package reading, as for the other closed-source harnesses. An install script that verifies a SHA-256 checksum, and an `@ampcode/cli` npm package of prebuilt binaries, for macOS, Linux and Windows through WSL, per the 8 October check (20). The source repository is private, so there is no public CI or test suite (0). There is no public issue tracker, and bug reports go to the vendor from inside the product. The 8 October reading of the status page's incident feed is struck, because ampcodestatus.com's robots.txt now disallows ClaudeBot, Claude-Web and anthropic-ai, so nothing is left to count crash or regression reports against (0). Versions are build stamps such as 0.0.1792627309-g98c009 with no per-version notes, and the introduction says \"No backward compatibility\", though removals are announced with dates in the Chronicle (3). The version line is 0.0 and we found no statement that the CLI is stable (0).", "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": 23, "b": 60 } }, { "by": 30, "category": "security", "leads": "openai-agents-api", "name": "Security \u0026 auth", "reasons": { "a": "Harness reading of the framework checklist, as for the other harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for prompt-injection posture, 15 for audit and 20 for the security programme. Every thread, with messages, code used as context and tool results, is stored on Amp's servers, and there is no local-only or self-hosted mode. Training on user data is off unless a user opts in, provider retention is limited under Minimal Data Retention, and secrets are redacted before they leave the client on a best-effort basis. The terms allow collection of usage data and we found no opt-out for the CLI (14). The tools page says Amp does not ask for approval before running tools, and points to a custom plugin for control. MCP servers defined in a project's settings need approval, `amp.mcpPermissions` allows or rejects servers and `amp.tools.disable` removes tools. The CLI has no sandbox. Orbs are separate cloud machines (6). The security reference has a prompt-injection section that describes layered measures, and the tools page warns about untrusted repositories and MCP servers (9). Threads keep prompts, tool calls and results as a record, a data API covers workspace analytics and threads, and authentication audit logs are for Enterprise workspaces (12). A security.txt that expires on 20 November 2026 (still valid on 4 November), a bug bounty with safe harbour, SOC 2 Type II and annual penetration tests per the vendor. On 22 October 2026 the security page posted an update that removes trust in compromised certificate authorities and names the CLI build to install. No CVEs found (16).", "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": 57, "b": 87 } }, { "by": 16, "category": "schema", "leads": "openai-agents-api", "name": "Schema \u0026 documentation", "reasons": { "a": "Framework reading. A JSON Schema for the settings file at ampcode.com/cli-settings.schema.json (22 properties), TypeScript types for every stream message, and a generated reference for the plugin API, but no OpenAPI for the server (18). ampcode.com/llms.txt indexes a raw Markdown rendition of each of 55 docs pages (10). The docs say when to use execute mode, orbs, runners, the oracle and the Librarian, and what each mode is for (15). Settings carry types and defaults, and the stream schema enumerates stop reasons, result subtypes and MCP server states (12). Examples on nearly every page and two result error subtypes (`error_during_execution`, `error_max_turns`), with no exit codes or error catalogue (9). Dated Chronicle posts with an RSS feed and a lastModified date on each docs page, but no changelog by CLI version (8).", "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": 72, "b": 88 } }, { "by": 11, "category": "ergonomics", "leads": "openai-agents-api", "name": "Agent ergonomics", "reasons": { "a": "Harness reading of the framework line. `amp.tools.disable` removes built-in or MCP tools by name or glob, and MCP servers can be allowed or rejected by pattern or attached per run with `--mcp-config` (17). The stream schema has an `error_max_turns` result, but we found no documented flag for a turn or spend limit. Workspace entitlements set per-user quotas (9). `--stream-json` output follows Claude Code's format where it can, `--stream-json-input` takes several user messages on stdin, and the final message carries `is_error`, turns, duration and token usage (15). Threads continue by ID with `amp threads continue`, hand off to a new thread, and can move between the CLI, a runner and an orb (16). TypeScript and Python SDKs wrap the CLI, and a run needs an Amp account and an access token (12).", "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": 69, "b": 80 } }, { "by": 8, "category": "maintenance", "leads": "openai-agents-api", "name": "Maintenance \u0026 community", "reasons": { "a": "The security page names CLI build 0.0.1792627309-g98c009 in its 22 October 2026 update, and the Chronicle's newest post is Service Accounts on 3 November 2026 (30). The Chronicle has 44 dated posts from 6 August to 3 November, and npm listed 678 CLI versions between 10 July and 8 October per the 8 October check (20). No public tracker. Support is in-product bug reports, a Discord server, email and X. Reply times aren't visible (10). `@ampcode/sdk` on npm released on 18 September 2026, per the 8 October check, and the SDK docs cover TypeScript and Python (15). No public CI, builds carry no notes, and the installer checks a checksum (4).", "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": 79, "b": 87 } }, { "by": 8, "category": "transparency", "leads": "openai-agents-api", "name": "Transparency \u0026 trust", "reasons": { "a": "Closed source under the Amp licence terms from Amp Frontier Corporation, with the npm packages marked Amp Commercial License. The terms page shows no date (15). The security reference lists 19 providers and what each sees, says deleted threads are removed within 30 days, diagnostic data after 7 days and audit logs kept at least 30 days, and the privacy policy (modified 10 September 2026) agrees, with account data kept while the account is active (24). No deprecation policy. The terms allow any part of the Services to be discontinued without notice, while removals so far were announced with dates, such as the old npm package names on 14 May 2026 for removal on 15 June (8). Amp is local software tied to a hosted service. Providers and US hosting are disclosed in detail, but the usage data the client sends is not itemised and has no documented opt-out (12).", "b": "Closed service with clear terms, Apache-2.0 SDKs (15). Session state retained until deleted, deletable sessions and artifacts, not ZDR-eligible, US residency only, and the data-controls guide agrees; no retention period for artifacts after a sandbox expires (25 of 30). Dated deprecation notices with minimum periods for GA models; a beta API can change faster (15 of 20). Subprocessors and processing countries listed, per the openai-api listing (20). 15 + 25 + 15 + 20 = 75." }, "scores": { "a": 77, "b": 85 } } ], "facts": [ { "a": "Agent harness", "b": "HTTP API", "name": "Kind" }, { "a": "Amp Frontier Corporation", "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, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private", "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": "2026-10-22", "b": "2026-10-16", "name": "Last release" }, { "a": "no date given", "b": "couldn't be read", "name": "Terms last updated" }, { "a": "2026-09-10", "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": "yes", "b": "couldn't be read", "name": "Terms or service can change without notice" }, { "a": "yes", "b": "couldn't be read", "name": "Arbitration or class-action waiver" }, { "a": "41k npm/wk", "b": "none", "name": "Popularity" } ], "faq": [ { "answer": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Amp's 55.5 (C), and leads in 6 of 7 scored categories. Amp leads on payments \u0026 pricing.", "question": "Which is better for AI agents, Amp or OpenAI Agents API?" }, { "answer": "No hosted endpoint is listed for Amp. OpenAI Agents API has a hosted endpoint at https://api.openai.com/v1/agents/sessions.", "question": "Can an agent call Amp and OpenAI Agents API without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Payments \u0026 pricing, 35 against 30" ], "also": null, "goodFor": "Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.", "slug": "amp", "watchFor": "The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin" }, { "aheadOn": [ "Reliability, 60 against 23", "Schema \u0026 documentation, 88 against 72", "Agent ergonomics, 80 against 69", "Security \u0026 auth, 87 against 57", "Maintenance \u0026 community, 87 against 79", "Transparency \u0026 trust, 85 against 77" ], "also": [ "Agent-ready, a grade of BB or better", "A hosted endpoint, with nothing to install" ], "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": { "amp": [ { "causes": [ "correction" ], "date": "2026-11-04", "delta": -1.6, "from": 57.1, "fromGrade": "C", "to": 55.5, "toGrade": "C" } ], "openai-agents-api": null }, "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-amp.json", "title": "Agent Zero vs Amp", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-amp" }, { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api.json", "title": "Agent Zero vs OpenAI Agents API", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-amp.json", "title": "Aider vs Amp", "url": 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"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/amp-vs-clawboo.json", "title": "Amp vs Clawboo", "url": "https://www.anchorterminal.com/compare/amp-vs-clawboo" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-cli-manager.json", "title": "Amp vs CLI Manager", "url": "https://www.anchorterminal.com/compare/amp-vs-cli-manager" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-harness-autonomous.json", "title": "Amp vs Harness", "url": "https://www.anchorterminal.com/compare/amp-vs-harness-autonomous" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-paperclip.json", "title": "Amp vs Paperclip", "url": "https://www.anchorterminal.com/compare/amp-vs-paperclip" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-parallax-agents.json", "title": "Amp vs Parallax", "url": "https://www.anchorterminal.com/compare/amp-vs-parallax-agents" } ], "panel": null, "scores": [ { "amp": 23, "by": 37, "edge": "openai-agents-api", "key": "reliability", "name": "Reliability", "openai-agents-api": 60, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "amp": 72, "by": 16, "edge": "openai-agents-api", "key": "schema", "name": "Schema \u0026 documentation", "openai-agents-api": 88, "weight": 13 }, { "amp": 69, "by": 11, "edge": "openai-agents-api", "key": "ergonomics", "name": "Agent ergonomics", "openai-agents-api": 80, "weight": 13 }, { "amp": 57, "by": 30, "edge": "openai-agents-api", "key": "security", "name": "Security \u0026 auth", "openai-agents-api": 87, "weight": 14 }, { "amp": 35, "by": 5, "edge": "amp", "key": "payments", "name": "Payments \u0026 pricing", "openai-agents-api": 30, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "amp": 79, "by": 8, "edge": "openai-agents-api", "key": "maintenance", "name": "Maintenance \u0026 community", "openai-agents-api": 87, "weight": 7 }, { "amp": 77, "by": 8, "edge": "openai-agents-api", "key": "transparency", "name": "Transparency \u0026 trust", "openai-agents-api": 85, "weight": 7 } ], "summary": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Amp's 55.5 (C), and leads in 6 of 7 scored categories. Amp leads on payments \u0026 pricing. Both do agent harnesses.", "tasks": null, "tutorials": [], "verdicts": { "amp": "Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.", "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/amp-vs-openai-agents-api", "json": "https://www.anchorterminal.com/compare/amp-vs-openai-agents-api.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/amp-vs-openai-agents-api.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/amp-vs-openai-agents-api.min.md" }, "markdown": "OpenAI Agents API scores 73.3 (BB) on agent readiness against Amp's 55.5 (C), and leads in 6 of 7 scored categories. Amp leads on payments \u0026 pricing. Both do agent harnesses.\n\n- Amp: grade C, 55.5/100, rank #780 of 1354. Markdown https://www.anchorterminal.com/tools/amp.md · JSON https://www.anchorterminal.com/api/v1/tools/amp.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### Amp (C)\n\nGood for: Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs.\n\nAhead on:\n- Payments \u0026 pricing, 35 against 30\n\nWatch for: The tools page says Amp does not ask for approval before running tools, and control needs a custom plugin\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 23\n- Schema \u0026 documentation, 88 against 72\n- Agent ergonomics, 80 against 69\n- Security \u0026 auth, 87 against 57\n- Maintenance \u0026 community, 87 against 79\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\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### Reliability: OpenAI Agents API +37\n\n- Amp (23): Local-package reading, as for the other closed-source harnesses. An install script that verifies a SHA-256 checksum, and an `@ampcode/cli` npm package of prebuilt binaries, for macOS, Linux and Windows through WSL, per the 8 October check (20). The source repository is private, so there is no public CI or test suite (0). There is no public issue tracker, and bug reports go to the vendor from inside the product. The 8 October reading of the status page's incident feed is struck, because ampcodestatus.com's robots.txt now disallows ClaudeBot, Claude-Web and anthropic-ai, so nothing is left to count crash or regression reports against (0). Versions are build stamps such as 0.0.1792627309-g98c009 with no per-version notes, and the introduction says \"No backward compatibility\", though removals are announced with dates in the Chronicle (3). The version line is 0.0 and we found no statement that the CLI is stable (0).\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### Security \u0026 auth: OpenAI Agents API +30\n\n- Amp (57): Harness reading of the framework checklist, as for the other harnesses. 30 for what leaves the machine by default, 20 for approvals and sandboxing, 15 for prompt-injection posture, 15 for audit and 20 for the security programme. Every thread, with messages, code used as context and tool results, is stored on Amp's servers, and there is no local-only or self-hosted mode. Training on user data is off unless a user opts in, provider retention is limited under Minimal Data Retention, and secrets are redacted before they leave the client on a best-effort basis. The terms allow collection of usage data and we found no opt-out for the CLI (14). The tools page says Amp does not ask for approval before running tools, and points to a custom plugin for control. MCP servers defined in a project's settings need approval, `amp.mcpPermissions` allows or rejects servers and `amp.tools.disable` removes tools. The CLI has no sandbox. Orbs are separate cloud machines (6). The security reference has a prompt-injection section that describes layered measures, and the tools page warns about untrusted repositories and MCP servers (9). Threads keep prompts, tool calls and results as a record, a data API covers workspace analytics and threads, and authentication audit logs are for Enterprise workspaces (12). A security.txt that expires on 20 November 2026 (still valid on 4 November), a bug bounty with safe harbour, SOC 2 Type II and annual penetration tests per the vendor. On 22 October 2026 the security page posted an update that removes trust in compromised certificate authorities and names the CLI build to install. No CVEs found (16).\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### Schema \u0026 documentation: OpenAI Agents API +16\n\n- Amp (72): Framework reading. A JSON Schema for the settings file at ampcode.com/cli-settings.schema.json (22 properties), TypeScript types for every stream message, and a generated reference for the plugin API, but no OpenAPI for the server (18). ampcode.com/llms.txt indexes a raw Markdown rendition of each of 55 docs pages (10). The docs say when to use execute mode, orbs, runners, the oracle and the Librarian, and what each mode is for (15). Settings carry types and defaults, and the stream schema enumerates stop reasons, result subtypes and MCP server states (12). Examples on nearly every page and two result error subtypes (`error_during_execution`, `error_max_turns`), with no exit codes or error catalogue (9). Dated Chronicle posts with an RSS feed and a lastModified date on each docs page, but no changelog by CLI version (8).\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 +11\n\n- Amp (69): Harness reading of the framework line. `amp.tools.disable` removes built-in or MCP tools by name or glob, and MCP servers can be allowed or rejected by pattern or attached per run with `--mcp-config` (17). The stream schema has an `error_max_turns` result, but we found no documented flag for a turn or spend limit. Workspace entitlements set per-user quotas (9). `--stream-json` output follows Claude Code's format where it can, `--stream-json-input` takes several user messages on stdin, and the final message carries `is_error`, turns, duration and token usage (15). Threads continue by ID with `amp threads continue`, hand off to a new thread, and can move between the CLI, a runner and an orb (16). TypeScript and Python SDKs wrap the CLI, and a run needs an Amp account and an access token (12).\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 +8\n\n- Amp (79): The security page names CLI build 0.0.1792627309-g98c009 in its 22 October 2026 update, and the Chronicle's newest post is Service Accounts on 3 November 2026 (30). The Chronicle has 44 dated posts from 6 August to 3 November, and npm listed 678 CLI versions between 10 July and 8 October per the 8 October check (20). No public tracker. Support is in-product bug reports, a Discord server, email and X. Reply times aren't visible (10). `@ampcode/sdk` on npm released on 18 September 2026, per the 8 October check, and the SDK docs cover TypeScript and Python (15). No public CI, builds carry no notes, and the installer checks a checksum (4).\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### Transparency \u0026 trust: OpenAI Agents API +8\n\n- Amp (77): Closed source under the Amp licence terms from Amp Frontier Corporation, with the npm packages marked Amp Commercial License. The terms page shows no date (15). The security reference lists 19 providers and what each sees, says deleted threads are removed within 30 days, diagnostic data after 7 days and audit logs kept at least 30 days, and the privacy policy (modified 10 September 2026) agrees, with account data kept while the account is active (24). No deprecation policy. The terms allow any part of the Services to be discontinued without notice, while removals so far were announced with dates, such as the old npm package names on 14 May 2026 for removal on 15 June (8). Amp is local software tied to a hosted service. Providers and US hosting are disclosed in detail, but the usage data the client sends is not itemised and has no documented opt-out (12).\n- OpenAI Agents API (85): Closed service with clear terms, Apache-2.0 SDKs (15). Session state retained until deleted, deletable sessions and artifacts, not ZDR-eligible, US residency only, and the data-controls guide agrees; no retention period for artifacts after a sandbox expires (25 of 30). Dated deprecation notices with minimum periods for GA models; a beta API can change faster (15 of 20). Subprocessors and processing countries listed, per the openai-api listing (20). 15 + 25 + 15 + 20 = 75.\n\n## Score by category\n\n| Category | Weight | Amp | OpenAI Agents API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 23 | 60 | OpenAI Agents API +37 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 72 | 88 | OpenAI Agents API +16 |\n| Agent ergonomics | 13% (16.2 this run) | 69 | 80 | OpenAI Agents API +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 57 | 87 | OpenAI Agents API +30 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 30 | Amp +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 79 | 87 | OpenAI Agents API +8 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 77 | 85 | OpenAI Agents API +8 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **55.5 · C** | **73.3 · BB** | |\n\n## Facts side by side\n\n| Fact | Amp | OpenAI Agents API |\n| --- | --- | --- |\n| Kind | Agent harness | HTTP API |\n| Vendor | Amp Frontier Corporation | 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, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private | 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 | 2026-10-22 | 2026-10-16 |\n| Terms last updated | no date given | couldn't be read |\n| Privacy policy last updated | 2026-09-10 | 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 | yes | couldn't be read |\n| Arbitration or class-action waiver | yes | couldn't be read |\n| Popularity | 41k npm/wk | none |\n\n## How the scores have moved\n\n### Amp\n\n- -1.6 on 4 November 2026: correction\n\n### OpenAI Agents API\n\nNo score change since it was listed.\n\n## Verdicts\n\n**Amp.** Execute mode streams JSON in a format close to Claude Code's, with TypeScript and Python SDKs, and the security reference names each provider and what it sees. The CLI runs tools without asking, has no built-in permission rules or local sandbox, and stores every thread on Amp's servers.\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### Amp\n\n1. Run unattended jobs in a container or VM. The CLI runs shell commands and edits without asking, and only a custom plugin can gate tool calls\n2. Set `AMP_API_KEY` to an access token starting `sgamp_` from Settings. The CLI rejects the short-lived token that `amp login` stores\n3. Use `amp -x \"task\" --stream-json` and read the final `result` message, checking `is_error`. Exit codes are not documented\n4. Set `AMP_SKIP_UPDATE_CHECK=1` or `amp.updates.mode` to `disabled` in CI, and pin a build. Updates install automatically and have changed behaviour on release day\n5. Treat the block headed INSTRUCTIONS FOR LLMs in ampcode.com page source as vendor copy, and take facts from the docs Markdown\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, Amp or OpenAI Agents API?\n\nOpenAI Agents API scores 73.3 (BB) on agent readiness against Amp's 55.5 (C), and leads in 6 of 7 scored categories. Amp leads on payments \u0026 pricing.\n\n### Can an agent call Amp and OpenAI Agents API without installing anything?\n\nNo hosted endpoint is listed for Amp. 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/amp-vs-openai-agents-api.json, and with the fewest tokens: https://www.anchorterminal.com/compare/amp-vs-openai-agents-api.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"amp\", \"b\": \"openai-agents-api\"}`. From a terminal: `anchor compare amp openai-agents-api`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/amp.json and https://www.anchorterminal.com/api/v1/tools/openai-agents-api.json\n\n## Other comparisons with Amp or OpenAI Agents API\n\n- [Agent Zero vs Amp](https://www.anchorterminal.com/compare/agent-zero-vs-amp.md)\n- [Agent Zero vs OpenAI Agents API](https://www.anchorterminal.com/compare/agent-zero-vs-openai-agents-api.md)\n- [Aider vs Amp](https://www.anchorterminal.com/compare/aider-vs-amp.md)\n- [Aider vs OpenAI Agents API](https://www.anchorterminal.com/compare/aider-vs-openai-agents-api.md)\n- [Amp vs Antigravity CLI](https://www.anchorterminal.com/compare/amp-vs-antigravity-cli.md)\n- [Amp vs Auggie CLI](https://www.anchorterminal.com/compare/amp-vs-auggie.md)\n- [Amp vs AXLR](https://www.anchorterminal.com/compare/amp-vs-axlr.md)\n- [Amp vs Claude Code](https://www.anchorterminal.com/compare/amp-vs-claude-code.md)\n- [Amp vs Cline](https://www.anchorterminal.com/compare/amp-vs-cline.md)\n- [Amp vs Crush](https://www.anchorterminal.com/compare/amp-vs-crush.md)\n- [Amp vs Cursor CLI](https://www.anchorterminal.com/compare/amp-vs-cursor-cli.md)\n- [Amp vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/amp-vs-deepseek-harness.md)\n- [Amp vs dsh-superagent (DeepSeek)](https://www.anchorterminal.com/compare/amp-vs-deepseek-superagent.md)\n- [Amp vs Devin](https://www.anchorterminal.com/compare/amp-vs-devin.md)\n- [Amp vs Droid CLI](https://www.anchorterminal.com/compare/amp-vs-droid-cli.md)\n- [Amp vs Pi](https://www.anchorterminal.com/compare/amp-vs-earendil-pi.md)\n- [Amp vs Gemini CLI](https://www.anchorterminal.com/compare/amp-vs-gemini-cli.md)\n- [Amp vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/amp-vs-github-copilot-cli.md)\n- [Amp vs goose](https://www.anchorterminal.com/compare/amp-vs-goose.md)\n- [Amp vs Harness²](https://www.anchorterminal.com/compare/amp-vs-harness2.md)\n- [Amp vs HarnessRouter](https://www.anchorterminal.com/compare/amp-vs-harnessrouter.md)\n- [Amp vs Jules](https://www.anchorterminal.com/compare/amp-vs-jules.md)\n- [Amp vs Junie CLI](https://www.anchorterminal.com/compare/amp-vs-junie.md)\n- [Amp vs Kilo Code CLI](https://www.anchorterminal.com/compare/amp-vs-kilo-code-cli.md)\n- [Amp vs Kimi Code CLI](https://www.anchorterminal.com/compare/amp-vs-kimi-code-cli.md)\n- [Amp vs Kiro CLI](https://www.anchorterminal.com/compare/amp-vs-kiro-cli.md)\n- [Amp vs mini-swe-agent](https://www.anchorterminal.com/compare/amp-vs-mini-swe-agent.md)\n- [Amp vs MiniMax Code](https://www.anchorterminal.com/compare/amp-vs-minimax-code.md)\n- [Amp vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/amp-vs-mistral-vibe-cli.md)\n- [Amp vs Muse Code](https://www.anchorterminal.com/compare/amp-vs-muse-code.md)\n- [Amp vs OpenAI 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