{ "data": { "a": { "slug": "openai-codex", "name": "OpenAI Codex", "vendor": "OpenAI", "vendorUrl": "https://openai.com", "kind": "harness", "category": "agent-harnesses", "summary": "OpenAI's coding agent for software development tasks.", "url": "https://www.anchorterminal.com/tools/openai-codex", "markdownUrl": "https://www.anchorterminal.com/tools/openai-codex.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/openai-codex.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/openai-codex.json", "dns": "openai-codex.grade.anchorterminal.com", "repo": "https://github.com/openai/codex", "license": "Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms", "transports": [], "packages": [ { "registry": "npm", "name": "@openai/codex" } ], "auth": "mixed", "authNotes": "Sign in with a ChatGPT account (Free, Go, Plus, Pro, Business, Edu or Enterprise) or use an OpenAI API key. Cloud work such as GitHub code review and the Slack integration comes with Plus and above, and none of it works with an API key. `--oss` talks to a local Ollama or LM Studio server and needs no account.", "pricing": "freemium", "pricingNotes": "Included in every ChatGPT plan. Free $0, Go $8 a month, Plus $20, Pro from $100 (tiers at $100, $200 and $500), Business $20 a user a month billed annually for two or more users, Enterprise and Edu by quote. On Plus the docs estimate 15 to 160 local messages per five hours with GPT-6.1 Sol, and Pro has no five-hour limit. Cloud tasks use more of the allowance. With an API key you pay API token rates and can't use the cloud agent (checked 2026-10-02).", "priceSummary": "$20 / mo", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs, the pricing page or the source (checked 2026-10-02).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 126000, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-02" }, "docsUrl": "https://developers.openai.com/codex", "llmsTxt": "https://learn.chatgpt.com/llms.txt", "capabilities": [ "agent.harness", "agent.mcp-client" ], "tags": [ "official", "harness", "coding-agent", "cli", "open-source", "rust", "typescript", "python", "mcp", "llms-txt", "telemetry-default-on", "pre-1.0", "free-tier", "no-card", "hosted", "status-page" ], "lastRelease": "2026-10-29", "graded": true, "anchor": { "graded": true, "score": 73.5, "grade": "BB", "agentReady": true, "rank": 108, "ranked": true, "rankOf": 1510, "categoryRank": 1, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 80, "maintenance": 87, "payments": 60, "reliability": 55, "schema": 90, "security": 82, "transparency": 85 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-01" }, "negative": -2, "negativeNotes": [ "2026-04-14. CVE-2025-61260 (GHSA-xrxf-jgv3-qmrm), critical (CVSS 9.8 from CISA-ADP), code execution through MCP configuration files in a repository for Codex CLI 0.23.0 and earlier, published to NVD and the GitHub Advisory Database from Check Point Research's 2025 report. Fixed in 2025 and documented by the researcher, with no advisory in OpenAI's own repository, so a small deduction (https://nvd.nist.gov/vuln/detail/CVE-2025-61260; https://research.checkpoint.com/2025/openai-codex-cli-command-injection-vulnerability/)" ], "verdict": "Sandbox on by default on macOS, Linux and Windows, with the network off and `.git` and `.codex` read-only. Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes.", "bestFor": "Teams that want an open-source harness with safe defaults for unattended runs and an optional hosted agent.", "strengths": [ "Sandbox on by default on macOS, Linux and Windows, with the network off and `.git` and `.codex` read-only", "Apache-2.0, with public CI and a JSON Schema for config.toml", "`codex exec --json`, `--output-schema` and `exec resume` for pipelines, plus TypeScript and Python SDKs", "Model retirements are dated about a month ahead in the changelog, with named replacements", "Included in ChatGPT Free, and `--oss` runs local models through Ollama or LM Studio with no account" ], "weaknesses": [ "Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes", "Anonymous usage metrics and feedback collection on by default", "Over 5,000 open issues (1 October count)", "CVE-2025-61260 (critical) has no advisory in OpenAI's own repository", "Cloud tasks and code review need a ChatGPT plan, not an API key" ], "agentNotes": [ "Run `codex exec --json` in pipelines, with `--output-schema` when the final message has to parse", "Keep the default sandbox, which has the network off. `--yolo` removes both the sandbox and approvals", "Replace `gpt-5.5` with `gpt-6.1-sol` in saved configs, custom agents and scripts under ChatGPT sign-in. GPT-5.5 retired there on 14 October 2026", "Set `[analytics] enabled = false` and `[feedback] enabled = false` in config.toml to keep usage data local", "Pin the npm version. A 0.x minor lands every few days" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 73.5 } ], "editorialScores": { "ergonomics": 80, "maintenance": 87, "payments": 60, "reliability": 55, "schema": 90, "security": 82, "transparency": 75 }, "provenanceScore": 94, "checked": { "categories": { "ergonomics": "2026-11-01", "maintenance": "2026-11-01", "payments": "2026-11-01", "reliability": "2026-11-01", "schema": "2026-11-01", "security": "2026-11-01", "transparency": "2026-11-01" }, "last": "2026-11-01", "lastMoved": "2026-10-27", "oldest": "2026-11-01", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "npm i -g @openai/codex # or: brew install --cask codex", "headless": { "run": "codex exec --json \"fix the failing test\"" } }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/openai-codex" }, "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-agents-api", "gpt-oss-120b", "gpt-oss-20b" ], "area": "frameworks", "unitPrices": [ { "item": "ChatGPT Plus", "unit": "month", "usd": 20, "note": "includes Codex local and cloud" }, { "item": "ChatGPT Pro", "unit": "month", "usd": 100, "note": "lowest Pro tier, no five-hour limit" } ], "provenance": { "legalEntity": "OpenAI OpCo, LLC", "domain": "openai.com", "domainRegistered": "2007-01-19", "endpointOnVendorDomain": null, "terms": "https://openai.com/policies/services-agreement/", "privacy": "https://openai.com/policies/privacy-policy/", "statusPage": "https://status.openai.com", "changelog": "https://github.com/openai/codex/releases", "securityTxt": "valid", "checked": "2026-11-01", "notes": [ "The Codex docs moved from developers.openai.com/codex to learn.chatgpt.com, which answered with a 308 redirect to learn.chatgpt.com/docs on 1 November 2026, and the installer is served from chatgpt.com.", "learn.chatgpt.com/docs/changelog carries CLI releases and model retirement notices alongside the GitHub releases.", "Legal entity, domain date and security.txt are from the openai-api listing's check of 26 September 2026. That security.txt had no Expires field when the openai-api listing last read it (27 October)." ], "score": 94 }, "requirements": { "setupChecked": true, "complianceChecked": true, "card": "paid-only", "freeTier": true, "minutes": 3, "credential": "mixed", "hosting": [ "US", "EU", "UK", "CA", "APAC", "self-hosted" ], "euResidency": "enterprise", "trainsOnData": "no", "zeroRetention": "enterprise", "certifications": [ "SOC 2 Type II", "ISO 27001", "ISO 27701", "ISO 42001", "CSA STAR", "GDPR" ], "dpa": true, "selfHost": "yes" }, "pageJsonUrl": "https://www.anchorterminal.com/tools/openai-codex.json", "live": { "slug": "openai-codex", "vendorStatus": { "page": "https://status.openai.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-07T19:22:50.782028998Z" }, "versions": [ { "registry": "github", "name": "openai/codex", "version": "rust-v0.167.0", "released": "2026-11-06", "seenAt": "2026-11-06T23:51:41.516315744Z" }, { "registry": "npm", "name": "@openai/codex", "version": "0.167.0", "seenAt": "2026-11-06T23:51:41.276230728Z" } ], "githubStars": 133483, "npmWeekly": 26010557, "securityTxt": { "url": "https://openai.com/.well-known/security.txt", "state": "valid", "checkedAt": "2026-11-07T16:00:49.231731777Z" }, "llmsTxt": { "url": "https://learn.chatgpt.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:33:22.790079935Z" }, "domain": { "domain": "openai.com", "registered": "2007-01-19", "source": "https://rdap.verisign.com/com/v1/domain/openai.com", "checkedAt": "2026-11-01T14:19:18.345389832Z" }, "pages": [ { "url": "https://learn.chatgpt.com/docs/changelog", "kind": "deprecations", "status": 200, "checkedAt": "2026-11-07T14:12:41.31964533Z", "changedAt": "2026-11-07T14:12:41.31964533Z", "fingerprint": "614cbd00fe11" } ], "github": { "repo": "openai/codex", "checkedAt": "2026-11-02T09:12:46.962484446Z", "stars": 132816, "archived": false, "issuesEnabled": true, "pushedAt": "2026-11-02T08:31:32Z", "openIssues": 25881, "openPRs": 164, "issuesOpened90d": 17364, "issuesClosed90d": 3116, "prsMerged90d": 4019, "ci": { "branch": "main", "runs": 50, "success": 0, "failure": 46, "other": 4, "latest": "failure", "latestAt": "2026-11-02T08:47:19Z" }, "advisories": [ { "ghsa": "GHSA-w5fx-fh39-j5rw", "cve": "CVE-2025-59532", "severity": "high", "published": "2025-09-19T00:24:10Z" } ] }, "updatedAt": "2026-11-07T19:22:50.782028998Z" } }, "answer": "OpenAI Codex scores 73.5 (BB) on agent readiness against Traycer's 57 (C), and leads in 6 of 7 scored categories. Traycer leads on reliability.", "b": { "slug": "traycer", "name": "Traycer", "vendor": "Traycer AI", "vendorUrl": "https://traycer.ai", "kind": "harness", "category": "agent-harnesses", "summary": "Traycer is an open-source orchestration app that runs coding agents you already pay for, or its own inference, in parallel with shared context across models, agent-to-agent messaging, shareable boards and cross-device sync.", "url": "https://www.anchorterminal.com/tools/traycer", "markdownUrl": "https://www.anchorterminal.com/tools/traycer.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/traycer.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/traycer.json", "dns": "traycer.grade.anchorterminal.com", "repo": "https://github.com/traycerai/traycer", "license": "MIT", "transports": [], "packages": [], "auth": "none", "pricing": "free", "pricingNotes": "Free and open source. You pay for the coding agents it runs, through your own subscriptions or API keys (checked 2026-11-07).", "priceSummary": "Free · OSS", "where": "local", "x402": { "level": "no", "evidence": "No payment protocol in the repository or README (checked 2026-11-07).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-07" }, "docsUrl": "https://docs.traycer.ai", "capabilities": [ "agent.harness", "agent.multi-agent" ], "tags": [ "open-source", "mit", "desktop-app", "cli", "telemetry", "new" ], "lastRelease": "2026-11-06", "graded": true, "anchor": { "graded": true, "score": 57, "grade": "C", "agentReady": false, "rank": 816, "ranked": true, "rankOf": 1510, "categoryRank": 29, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 75, "payments": 30, "reliability": 65, "schema": 65, "security": 42, "transparency": 60 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "low", "date": "2026-11-07" }, "negative": 0, "verdict": "An open-source app for running several coding agents together with shared context, agent-to-agent messaging and team boards, on every desktop OS. Privacy Mode is opt-in for individuals, and the README says Sentry and PostHog may be on in release builds.", "bestFor": "Teams who want several coding agents working together with shared context and boards.", "strengths": [ "Runs agents you already pay for, or Traycer's own inference", "Shares context across models and lets agents message each other", "macOS, Linux and Windows builds, with package-manager installs", "MIT, with CodeQL, Scorecard and secret scanning" ], "weaknesses": [ "Privacy Mode is opt-in for individuals; with it off, prompts may be logged", "Sentry and PostHog may be enabled in release builds, with no opt-out in the README", "Inference subscription price not found on the pages read" ], "agentNotes": [ "Turn on Privacy Mode if you're an individual user and don't want prompts logged", "CLI agents you configure send requests straight to their provider; Traycer's own inference goes through Traycer" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "low", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 57 } ], "editorialScores": { "ergonomics": 65, "maintenance": 75, "payments": 30, "reliability": 65, "schema": 65, "security": 42, "transparency": 66 }, "provenanceScore": 53, "checked": { "categories": { "ergonomics": "2026-11-07", "maintenance": "2026-11-07", "payments": "2026-11-07", "reliability": "2026-11-07", "schema": "2026-11-07", "security": "2026-11-07", "transparency": "2026-11-07" }, "last": "2026-11-07", "oldest": "2026-11-07", "stale": false, "staleAfterDays": 90 } }, "connect": { "install": "Download for macOS, Linux or Windows from the releases page" }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/traycer" }, "area": "frameworks", "provenance": { "legalEntity": "Traycer AI", "domain": "traycer.ai", "domainRegistered": "", "domainNote": "Not looked up: RDAP isn't requested under the 1 November 2026 rules.", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://github.com/traycerai/traycer/blob/main/CHANGELOG.md", "securityTxt": "none", "checked": "2026-11-07", "notes": [ "The licence names Traycer AI. The repository is github.com/traycerai/traycer." ], "score": 53 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/traycer.json", "live": { "slug": "traycer", "securityTxt": { "url": "https://traycer.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-07T15:59:47.880384121Z" }, "pages": [ { "url": "https://raw.githubusercontent.com/traycerai/traycer/main/CHANGELOG.md", "kind": "changelog", "status": 200, "checkedAt": "2026-11-07T14:23:51.024738302Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d3f389f721e9" } ], "updatedAt": "2026-11-07T15:59:47.880384121Z" } }, "edges": [ { "by": 40, "category": "security", "leads": "openai-codex", "name": "Security \u0026 auth", "reasons": { "a": "Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. Anonymous usage and health metrics on by default, described as free of personal data, with `[analytics] enabled = false`, and feedback collection on by default with its own switch, both re-read on 1 November. Credentials are a ChatGPT login or an API key (20). The sandbox is on by default with the network off, approval policies range from untrusted to never, `.git`, `.agents` and `.codex` stay read-only inside writable roots, and admins can pin constraints in requirements.toml (19). Network off by default locally. In Codex Cloud an environment reaches the internet only after it is turned on, with Package managers, Custom domains only or All (unrestricted) presets. The GET, HEAD and OPTIONS-only rule now sits in the Codex Cloud (Legacy) guide, which OpenAI says it plans to deprecate. The docs keep a worked example of prompt-injection exfiltration (14). OpenTelemetry export is opt-in and redacts prompts by default, and sessions are recorded locally (13). Bugcrowd programme, SECURITY.md and a signed security.txt on openai.com, per the 1 October check, not re-read on 1 November. As on the openai-api and openai-agents-sdk listings, that security.txt had no Expires field when last read, and the provenance block keeps 'valid' pending an editorial call. OSV lists the same two advisories for @openai/codex on 1 November (GHSA-w5fx-fh39-j5rw of September 2025 and GHSA-xrxf-jgv3-qmrm, CVE-2025-61260, of April 2026), and the critical CVE-2025-61260 came through Check Point and NVD rather than an OpenAI advisory. 0.165.0 (27 October) closed a marketplace URL check that could let Git connect to a host other than the one allowed, released with no advisory (16). SOC 2 isn't scored on the framework reading. 20 + 19 + 14 + 13 + 16 = 82.", "b": "Harness reading. Code is processed in memory and not used for training, but Privacy Mode is opt-in for individuals, prompts may be logged with it off, and Sentry and PostHog 'may be enabled in release builds' (10 of 30). No approval model described in the README (8 of 20). No prompt-injection guidance (5). No audit log found (5). SECURITY.md, CodeQL, Scorecard and secret scanning (14 of 20). 10 + 8 + 5 + 5 + 14 = 42." }, "scores": { "a": 82, "b": 42 } }, { "by": 30, "category": "payments", "leads": "openai-codex", "name": "Payments \u0026 pricing", "reasons": { "a": "Harness reading of the published rubric. No payment protocol (0). Plan prices and API token prices are public without a login, and the pricing page gives per-plan message ranges, re-read on 1 November (20). ChatGPT Free and Go include Codex, and Free needs no card (20). `--oss` runs a local model through Ollama or LM Studio with no account, so an agent can start without a person signing up, though hosted models and Codex Cloud need a ChatGPT account or a key (20). 0 + 20 + 20 + 20 = 60.", "b": "Scored on the paid option, Traycer's own inference subscription, whose price wasn't read (0 of 20). No protocol (0). Bring-your-own-agent use is free (20). Accounts for sync and teams weren't checked, half (10). 0 + 0 + 20 + 10 = 30." }, "scores": { "a": 60, "b": 30 } }, { "by": 25, "category": "schema", "leads": "openai-codex", "name": "Schema \u0026 documentation", "reasons": { "a": "Framework reading. A JSON Schema for config.toml in the repository (codex-rs/core/config.schema.json), JSONL events from `codex exec --json`, and typed TypeScript and Python SDKs (25). llms.txt at learn.chatgpt.com with a Markdown twin for every page, re-read on 1 November (10). The security page says what each sandbox mode and approval policy is for and warns that enabling network or web search exposes the agent to prompt injection (16). Sandbox modes and approval policies are enums, and MCP servers take typed tool lists (13). Examples throughout, and `--output-schema` validates the final message. The non-interactive page names the event types, `turn.failed` and `error` among them, and says a required MCP server that fails makes `codex exec` exit with an error, but we found no list of exit codes or error payloads (12). Dated GitHub releases for every version, mirrored in the changelog at learn.chatgpt.com, which runs to 0.166.0 on 29 October (14). 25 + 10 + 16 + 13 + 12 + 14 = 90.", "b": "Harness reading. Mintlify docs, a protocol package and a CLI (65)." }, "scores": { "a": 90, "b": 65 } }, { "by": 25, "category": "transparency", "leads": "openai-codex", "name": "Transparency \u0026 trust", "reasons": { "a": "Apache-2.0 for the CLI and SDKs (30). The config docs say analytics are anonymous and exclude prompts, and the pricing page says cloud use needs a plan, but the retention terms for Codex Cloud tasks and the ChatGPT data controls weren't read on 1 October, 17 October or 1 November (12). The changelog at learn.chatgpt.com dates model retirements ahead of time with replacements (GPT-5.4 and GPT-5.4 mini announced on 31 July for 31 August, GPT-5.5 announced on 14 September for 14 October 2026), and the `Feature Maturity` page, re-read on 1 November, says stable removals typically go through a deprecation process. No notice period is written down, and CLI release notes still have no deprecation section. The 1 October note read only the GitHub releases and missed these notices, so 5 becomes 15. Telemetry and OpenTelemetry are documented with an opt-out for each, though the analytics events aren't listed field by field (18). 30 + 12 + 15 + 18 = 75.", "b": "MIT (30). README privacy section and a linked privacy policy (not read) (18 of 30). CHANGELOG.md, no deprecation policy (10). Analytics described as 'may be enabled', with no opt-out given in the README (8 of 20). 30 + 18 + 10 + 8 = 66." }, "scores": { "a": 85, "b": 60 } }, { "by": 15, "category": "ergonomics", "leads": "openai-codex", "name": "Agent ergonomics", "reasons": { "a": "Framework reading, adapted to a harness driven by a pipeline. `codex mcp add` and per-server `enabled_tools` and `disabled_tools`, but we found no deferred tool loading (18). `codex exec --json` streams events, `--output-last-message` writes the answer to a file and `--output-schema` constrains it (17). Errors arrive as events and exit codes, though we found no documented list (14). `codex exec resume` and `codex resume --last` continue a session, 0.163.0 restores a resumed thread's permissions and network approvals, and 0.166.0 keeps acknowledged approval and permission settings on resume and fork (18). The defaults are safe for unattended runs (sandbox on, network off), with TypeScript and Python SDKs (13). 18 + 17 + 14 + 18 + 13 = 80.", "b": "Harness reading. Model switching within an agent, agent-to-agent loops, a CLI and cross-device sync (65)." }, "scores": { "a": 80, "b": 65 } }, { "by": 12, "category": "maintenance", "leads": "openai-codex", "name": "Maintenance \u0026 community", "reasons": { "a": "0.166.0 on 29 October 2026 (30). 36 stable release tags between 5 August and 29 October, from 0.146.1 to 0.166.0 (20). Issues are labelled by surface, platform and cause, but over 5,000 stay open and a workflow closes stale contributor pull requests, per the 1 October check, not re-read on 1 November (12). TypeScript and Python SDKs are in the same repository and built in CI (15). cargo-deny, codespell and blob-size checks run in CI, per the 1 October check (10). 30 + 20 + 12 + 15 + 10 = 87.", "b": "Commits on 6 November 2026 and host 1.5.3 (30). More than three releases in 90 days (20). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). Current apps and CLI packages (15). CI with tests (10). 30 + 20 + 0 + 15 + 10 = 75." }, "scores": { "a": 87, "b": 75 } } ], "facts": [ { "a": "Agent harness", "b": "Agent harness", "name": "Kind" }, { "a": "OpenAI", "b": "Traycer AI", "name": "Vendor" }, { "a": "no (local only)", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "", "b": "", "name": "Transports" }, { "a": "OAuth or key", "b": "None", "name": "Auth" }, { "a": "Freemium", "b": "Free", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms", "b": "MIT", "name": "Licence" }, { "a": "yes", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "no", "name": "llms.txt" }, { "a": "2026-10-29", "b": "2026-11-06", "name": "Last release" }, { "a": "couldn't be read", "b": "no document linked", "name": "Terms last updated" }, { "a": "couldn't be read", "b": "no document linked", "name": "Privacy policy last updated" }, { "a": "couldn't be read", "b": "not read yet", "name": "Customer content may train models" }, { "a": "couldn't be read", "b": "not read yet", "name": "Terms restrict automated access" }, { "a": "couldn't be read", "b": "not read yet", "name": "Terms restrict benchmarking" }, { "a": "couldn't be read", "b": "not read yet", "name": "Terms or service can change without notice" }, { "a": "couldn't be read", "b": "not read yet", "name": "Arbitration or class-action waiver" }, { "a": "126k stars", "b": "none", "name": "Popularity" }, { "a": "3/5 (2)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "OpenAI Codex scores 73.5 (BB) on agent readiness against Traycer's 57 (C), and leads in 6 of 7 scored categories. Traycer leads on reliability.", "question": "Which is better for AI agents, OpenAI Codex or Traycer?" }, { "answer": "Yes. OpenAI Codex is open source (Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms). Traycer is open source (MIT).", "question": "Are OpenAI Codex and Traycer open source?" } ], "goodFor": [ { "aheadOn": [ "Schema \u0026 documentation, 90 against 65", "Agent ergonomics, 80 against 65", "Security \u0026 auth, 82 against 42", "Payments \u0026 pricing, 60 against 30", "Maintenance \u0026 community, 87 against 75", "Transparency \u0026 trust, 85 against 60" ], "also": [ "Agent-ready, a grade of BB or better", "Free to start without a card" ], "goodFor": "Teams that want an open-source harness with safe defaults for unattended runs and an optional hosted agent.", "slug": "openai-codex", "watchFor": "Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes" }, { "aheadOn": [ "Reliability, 65 against 55" ], "also": [ "No key needed to call it" ], "goodFor": "Teams who want several coding agents working together with shared context and boards.", "slug": "traycer", "watchFor": "Privacy Mode is opt-in for individuals; with it off, prompts may be logged" } ], "history": { "openai-codex": [ { "causes": [ "method" ], "date": "2026-10-27", "delta": 0.1, "from": 73.4, "fromGrade": "BB", "to": 73.5, "toGrade": "BB" }, { "causes": [ "evidence" ], "date": "2026-10-17", "delta": 0.4, "from": 73, "fromGrade": "BB", "to": 73.4, "toGrade": "BB" }, { "causes": [ "method" ], "date": "2026-10-08", "delta": -0.4, "from": 73.4, "fromGrade": "BB", "to": 73, "toGrade": "BB" } ], "traycer": null }, "job": { "capability": "agent.harness", "name": "Agent harnesses" }, "others": [ { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex.json", "title": "Agent Zero vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/agent-zero-vs-traycer.json", "title": "Agent Zero vs Traycer", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-openai-codex.json", "title": "Aider vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/aider-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-traycer.json", "title": "Aider vs Traycer", "url": "https://www.anchorterminal.com/compare/aider-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-openai-codex.json", "title": "Amp vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/amp-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/amp-vs-traycer.json", "title": "Amp vs Traycer", "url": "https://www.anchorterminal.com/compare/amp-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-openai-codex.json", "title": "Antigravity CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/antigravity-cli-vs-traycer.json", "title": "Antigravity CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/antigravity-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-openai-codex.json", "title": "Auggie CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/auggie-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/auggie-vs-traycer.json", "title": "Auggie CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/auggie-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-openai-codex.json", "title": "AXLR vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/axlr-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/axlr-vs-traycer.json", "title": "AXLR vs Traycer", "url": "https://www.anchorterminal.com/compare/axlr-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/claude-code-vs-openai-codex.json", "title": "Claude Code vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/claude-code-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/claude-code-vs-traycer.json", "title": "Claude Code vs Traycer", "url": "https://www.anchorterminal.com/compare/claude-code-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/cline-vs-openai-codex.json", "title": "Cline vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/cline-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/cline-vs-traycer.json", "title": "Cline vs Traycer", "url": "https://www.anchorterminal.com/compare/cline-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/conductor-vs-openai-codex.json", "title": "Conductor vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/conductor-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/conductor-vs-traycer.json", "title": "Conductor vs Traycer", "url": "https://www.anchorterminal.com/compare/conductor-vs-traycer" }, { "json": 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"https://www.anchorterminal.com/compare/deepseek-harness-vs-traycer.json", "title": "DeepSeek Harness (dsh) vs Traycer", "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-openai-codex.json", "title": "dsh-superagent (DeepSeek) vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-traycer.json", "title": "dsh-superagent (DeepSeek) vs Traycer", "url": "https://www.anchorterminal.com/compare/deepseek-superagent-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/devin-vs-openai-codex.json", "title": "Devin vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/devin-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/devin-vs-traycer.json", "title": "Devin vs Traycer", "url": "https://www.anchorterminal.com/compare/devin-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/droid-cli-vs-openai-codex.json", "title": "Droid CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/droid-cli-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/droid-cli-vs-traycer.json", "title": "Droid CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/droid-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-openai-codex.json", "title": "Pi vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/earendil-pi-vs-traycer.json", "title": "Pi vs Traycer", "url": "https://www.anchorterminal.com/compare/earendil-pi-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/emdash-vs-openai-codex.json", "title": "Emdash vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/emdash-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/emdash-vs-traycer.json", "title": "Emdash vs Traycer", "url": "https://www.anchorterminal.com/compare/emdash-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-openai-codex.json", "title": "Gemini CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/gemini-cli-vs-traycer.json", "title": "Gemini CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/gemini-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-openai-codex.json", "title": "GitHub Copilot CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-traycer.json", "title": "GitHub Copilot CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/github-copilot-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/goose-vs-openai-codex.json", "title": "goose vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/goose-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/goose-vs-traycer.json", "title": "goose vs Traycer", "url": "https://www.anchorterminal.com/compare/goose-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/harness2-vs-openai-codex.json", "title": "Harness² vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/harness2-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/harness2-vs-traycer.json", "title": "Harness² vs Traycer", "url": "https://www.anchorterminal.com/compare/harness2-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/harnessrouter-vs-openai-codex.json", "title": "HarnessRouter vs OpenAI Codex", "url": 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"json": "https://www.anchorterminal.com/compare/kiro-cli-vs-traycer.json", "title": "Kiro CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/kiro-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-openai-codex.json", "title": "Letta vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/letta-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/letta-vs-traycer.json", "title": "Letta vs Traycer", "url": "https://www.anchorterminal.com/compare/letta-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-openai-codex.json", "title": "mini-swe-agent vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-traycer.json", "title": "mini-swe-agent vs Traycer", "url": "https://www.anchorterminal.com/compare/mini-swe-agent-vs-traycer" }, { "json": 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Code", "url": "https://www.anchorterminal.com/compare/openai-codex-vs-t3-code" }, { "json": "https://www.anchorterminal.com/compare/openai-codex-vs-unstoppable.json", "title": "OpenAI Codex vs Unstoppable", "url": "https://www.anchorterminal.com/compare/openai-codex-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/openai-codex-vs-verdent.json", "title": "OpenAI Codex vs Verdent", "url": "https://www.anchorterminal.com/compare/openai-codex-vs-verdent" }, { "json": "https://www.anchorterminal.com/compare/openai-codex-vs-vibe-trading.json", "title": "OpenAI Codex vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/openai-codex-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/openai-codex-vs-warp.json", "title": "OpenAI Codex vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/openai-codex-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/opencode-vs-traycer.json", "title": 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"https://www.anchorterminal.com/compare/qwen-code-vs-traycer.json", "title": "Qwen Code vs Traycer", "url": "https://www.anchorterminal.com/compare/qwen-code-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/reflection-mirror-vs-traycer.json", "title": "Mirror CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/reflection-mirror-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-traycer.json", "title": "Rovo Dev CLI vs Traycer", "url": "https://www.anchorterminal.com/compare/rovo-dev-cli-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/sculptor-vs-traycer.json", "title": "Sculptor vs Traycer", "url": "https://www.anchorterminal.com/compare/sculptor-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/t3-code-vs-traycer.json", "title": "T3 Code vs Traycer", "url": "https://www.anchorterminal.com/compare/t3-code-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/traycer-vs-unstoppable.json", "title": "Traycer vs Unstoppable", "url": "https://www.anchorterminal.com/compare/traycer-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/traycer-vs-verdent.json", "title": "Traycer vs Verdent", "url": "https://www.anchorterminal.com/compare/traycer-vs-verdent" }, { "json": "https://www.anchorterminal.com/compare/traycer-vs-vibe-trading.json", "title": "Traycer vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/traycer-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/traycer-vs-warp.json", "title": "Traycer vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/traycer-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/clawboo-vs-traycer.json", "title": "Clawboo vs Traycer", "url": "https://www.anchorterminal.com/compare/clawboo-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/cli-manager-vs-traycer.json", "title": "CLI Manager vs Traycer", "url": "https://www.anchorterminal.com/compare/cli-manager-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-traycer.json", "title": "Harness vs Traycer", "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/openmausbot-vs-traycer.json", "title": "OpenMausBot vs Traycer", "url": "https://www.anchorterminal.com/compare/openmausbot-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/paperclip-vs-traycer.json", "title": "Paperclip vs Traycer", "url": "https://www.anchorterminal.com/compare/paperclip-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/parallax-agents-vs-traycer.json", "title": "Parallax vs Traycer", "url": "https://www.anchorterminal.com/compare/parallax-agents-vs-traycer" } ], "panel": null, "scores": [ { "by": 10, "edge": "traycer", "key": "reliability", "name": "Reliability", "openai-codex": 55, "traycer": 65, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 25, "edge": "openai-codex", "key": "schema", "name": "Schema \u0026 documentation", "openai-codex": 90, "traycer": 65, "weight": 13 }, { "by": 15, "edge": "openai-codex", "key": "ergonomics", "name": "Agent ergonomics", "openai-codex": 80, "traycer": 65, "weight": 13 }, { "by": 40, "edge": "openai-codex", "key": "security", "name": "Security \u0026 auth", "openai-codex": 82, "traycer": 42, "weight": 14 }, { "by": 30, "edge": "openai-codex", "key": "payments", "name": "Payments \u0026 pricing", "openai-codex": 60, "traycer": 30, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 12, "edge": "openai-codex", "key": "maintenance", "name": "Maintenance \u0026 community", "openai-codex": 87, "traycer": 75, "weight": 7 }, { "by": 25, "edge": "openai-codex", "key": "transparency", "name": "Transparency \u0026 trust", "openai-codex": 85, "traycer": 60, "weight": 7 } ], "summary": "OpenAI Codex scores 73.5 (BB) on agent readiness against Traycer's 57 (C), and leads in 6 of 7 scored categories. Traycer leads on reliability. Both do agent harnesses.", "tasks": null, "tutorials": [], "verdicts": { "openai-codex": "Sandbox on by default on macOS, Linux and Windows, with the network off and `.git` and `.codex` read-only. Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes.", "traycer": "An open-source app for running several coding agents together with shared context, agent-to-agent messaging and team boards, on every desktop OS. Privacy Mode is opt-in for individuals, and the README says Sentry and PostHog may be on in release builds." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/openai-codex-vs-traycer", "json": "https://www.anchorterminal.com/compare/openai-codex-vs-traycer.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/openai-codex-vs-traycer.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/openai-codex-vs-traycer.min.md" }, "markdown": "OpenAI Codex scores 73.5 (BB) on agent readiness against Traycer's 57 (C), and leads in 6 of 7 scored categories. Traycer leads on reliability. Both do agent harnesses.\n\n- OpenAI Codex: grade BB, 73.5/100, rank #108 of 1510. Markdown https://www.anchorterminal.com/tools/openai-codex.md · JSON https://www.anchorterminal.com/api/v1/tools/openai-codex.json\n- Traycer: grade C, 57/100, rank #816 of 1510. Markdown https://www.anchorterminal.com/tools/traycer.md · JSON https://www.anchorterminal.com/api/v1/tools/traycer.json\n- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md\n- All 1500 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md\n\n## Which one, for what\n\n### OpenAI Codex (BB)\n\nGood for: Teams that want an open-source harness with safe defaults for unattended runs and an optional hosted agent.\n\nAhead on:\n- Schema \u0026 documentation, 90 against 65\n- Agent ergonomics, 80 against 65\n- Security \u0026 auth, 82 against 42\n- Payments \u0026 pricing, 60 against 30\n- Maintenance \u0026 community, 87 against 75\n- Transparency \u0026 trust, 85 against 60\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Free to start without a card\n\nWatch for: Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes\n\n### Traycer (C)\n\nGood for: Teams who want several coding agents working together with shared context and boards.\n\nAhead on:\n- Reliability, 65 against 55\n\nAlso in its favour:\n- No key needed to call it\n\nWatch for: Privacy Mode is opt-in for individuals; with it off, prompts may be logged\n\n\n## Why the edge\n\n### Security \u0026 auth: OpenAI Codex +40\n\n- OpenAI Codex (82): Framework reading (telemetry defaults, approvals, guardrails, sandboxing), five lines. Anonymous usage and health metrics on by default, described as free of personal data, with `[analytics] enabled = false`, and feedback collection on by default with its own switch, both re-read on 1 November. Credentials are a ChatGPT login or an API key (20). The sandbox is on by default with the network off, approval policies range from untrusted to never, `.git`, `.agents` and `.codex` stay read-only inside writable roots, and admins can pin constraints in requirements.toml (19). Network off by default locally. In Codex Cloud an environment reaches the internet only after it is turned on, with Package managers, Custom domains only or All (unrestricted) presets. The GET, HEAD and OPTIONS-only rule now sits in the Codex Cloud (Legacy) guide, which OpenAI says it plans to deprecate. The docs keep a worked example of prompt-injection exfiltration (14). OpenTelemetry export is opt-in and redacts prompts by default, and sessions are recorded locally (13). Bugcrowd programme, SECURITY.md and a signed security.txt on openai.com, per the 1 October check, not re-read on 1 November. As on the openai-api and openai-agents-sdk listings, that security.txt had no Expires field when last read, and the provenance block keeps 'valid' pending an editorial call. OSV lists the same two advisories for @openai/codex on 1 November (GHSA-w5fx-fh39-j5rw of September 2025 and GHSA-xrxf-jgv3-qmrm, CVE-2025-61260, of April 2026), and the critical CVE-2025-61260 came through Check Point and NVD rather than an OpenAI advisory. 0.165.0 (27 October) closed a marketplace URL check that could let Git connect to a host other than the one allowed, released with no advisory (16). SOC 2 isn't scored on the framework reading. 20 + 19 + 14 + 13 + 16 = 82.\n- Traycer (42): Harness reading. Code is processed in memory and not used for training, but Privacy Mode is opt-in for individuals, prompts may be logged with it off, and Sentry and PostHog 'may be enabled in release builds' (10 of 30). No approval model described in the README (8 of 20). No prompt-injection guidance (5). No audit log found (5). SECURITY.md, CodeQL, Scorecard and secret scanning (14 of 20). 10 + 8 + 5 + 5 + 14 = 42.\n\n### Payments \u0026 pricing: OpenAI Codex +30\n\n- OpenAI Codex (60): Harness reading of the published rubric. No payment protocol (0). Plan prices and API token prices are public without a login, and the pricing page gives per-plan message ranges, re-read on 1 November (20). ChatGPT Free and Go include Codex, and Free needs no card (20). `--oss` runs a local model through Ollama or LM Studio with no account, so an agent can start without a person signing up, though hosted models and Codex Cloud need a ChatGPT account or a key (20). 0 + 20 + 20 + 20 = 60.\n- Traycer (30): Scored on the paid option, Traycer's own inference subscription, whose price wasn't read (0 of 20). No protocol (0). Bring-your-own-agent use is free (20). Accounts for sync and teams weren't checked, half (10). 0 + 0 + 20 + 10 = 30.\n\n### Schema \u0026 documentation: OpenAI Codex +25\n\n- OpenAI Codex (90): Framework reading. A JSON Schema for config.toml in the repository (codex-rs/core/config.schema.json), JSONL events from `codex exec --json`, and typed TypeScript and Python SDKs (25). llms.txt at learn.chatgpt.com with a Markdown twin for every page, re-read on 1 November (10). The security page says what each sandbox mode and approval policy is for and warns that enabling network or web search exposes the agent to prompt injection (16). Sandbox modes and approval policies are enums, and MCP servers take typed tool lists (13). Examples throughout, and `--output-schema` validates the final message. The non-interactive page names the event types, `turn.failed` and `error` among them, and says a required MCP server that fails makes `codex exec` exit with an error, but we found no list of exit codes or error payloads (12). Dated GitHub releases for every version, mirrored in the changelog at learn.chatgpt.com, which runs to 0.166.0 on 29 October (14). 25 + 10 + 16 + 13 + 12 + 14 = 90.\n- Traycer (65): Harness reading. Mintlify docs, a protocol package and a CLI (65).\n\n### Transparency \u0026 trust: OpenAI Codex +25\n\n- OpenAI Codex (85): Apache-2.0 for the CLI and SDKs (30). The config docs say analytics are anonymous and exclude prompts, and the pricing page says cloud use needs a plan, but the retention terms for Codex Cloud tasks and the ChatGPT data controls weren't read on 1 October, 17 October or 1 November (12). The changelog at learn.chatgpt.com dates model retirements ahead of time with replacements (GPT-5.4 and GPT-5.4 mini announced on 31 July for 31 August, GPT-5.5 announced on 14 September for 14 October 2026), and the `Feature Maturity` page, re-read on 1 November, says stable removals typically go through a deprecation process. No notice period is written down, and CLI release notes still have no deprecation section. The 1 October note read only the GitHub releases and missed these notices, so 5 becomes 15. Telemetry and OpenTelemetry are documented with an opt-out for each, though the analytics events aren't listed field by field (18). 30 + 12 + 15 + 18 = 75.\n- Traycer (60): MIT (30). README privacy section and a linked privacy policy (not read) (18 of 30). CHANGELOG.md, no deprecation policy (10). Analytics described as 'may be enabled', with no opt-out given in the README (8 of 20). 30 + 18 + 10 + 8 = 66.\n\n### Agent ergonomics: OpenAI Codex +15\n\n- OpenAI Codex (80): Framework reading, adapted to a harness driven by a pipeline. `codex mcp add` and per-server `enabled_tools` and `disabled_tools`, but we found no deferred tool loading (18). `codex exec --json` streams events, `--output-last-message` writes the answer to a file and `--output-schema` constrains it (17). Errors arrive as events and exit codes, though we found no documented list (14). `codex exec resume` and `codex resume --last` continue a session, 0.163.0 restores a resumed thread's permissions and network approvals, and 0.166.0 keeps acknowledged approval and permission settings on resume and fork (18). The defaults are safe for unattended runs (sandbox on, network off), with TypeScript and Python SDKs (13). 18 + 17 + 14 + 18 + 13 = 80.\n- Traycer (65): Harness reading. Model switching within an agent, agent-to-agent loops, a CLI and cross-device sync (65).\n\n### Maintenance \u0026 community: OpenAI Codex +12\n\n- OpenAI Codex (87): 0.166.0 on 29 October 2026 (30). 36 stable release tags between 5 August and 29 October, from 0.146.1 to 0.166.0 (20). Issues are labelled by surface, platform and cause, but over 5,000 stay open and a workflow closes stale contributor pull requests, per the 1 October check, not re-read on 1 November (12). TypeScript and Python SDKs are in the same repository and built in CI (15). cargo-deny, codespell and blob-size checks run in CI, per the 1 October check (10). 30 + 20 + 12 + 15 + 10 = 87.\n- Traycer (75): Commits on 6 November 2026 and host 1.5.3 (30). More than three releases in 90 days (20). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). Current apps and CLI packages (15). CI with tests (10). 30 + 20 + 0 + 15 + 10 = 75.\n\n## Score by category\n\n| Category | Weight | OpenAI Codex | Traycer | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 55 | 65 | Traycer +10 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 65 | OpenAI Codex +25 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 65 | OpenAI Codex +15 |\n| Security \u0026 auth | 14% (17.5 this run) | 82 | 42 | OpenAI Codex +40 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 30 | OpenAI Codex +30 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 87 | 75 | OpenAI Codex +12 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 85 | 60 | OpenAI Codex +25 |\n| Negative events | ≤15 | -2 | 0 | |\n| **Total** | | **73.5 · BB** | **57 · C** | |\n\n## Facts side by side\n\n| Fact | OpenAI Codex | Traycer |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | OpenAI | Traycer AI |\n| Hosted endpoint | no (local only) | no (local only) |\n| Transports | | |\n| Auth | OAuth or key | None |\n| Pricing | Freemium | Free |\n| x402 | no | no |\n| Licence | Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms | MIT |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | no |\n| Last release | 2026-10-29 | 2026-11-06 |\n| Terms last updated | couldn't be read | no document linked |\n| Privacy policy last updated | couldn't be read | no document linked |\n| Customer content may train models | couldn't be read | not read yet |\n| Terms restrict automated access | couldn't be read | not read yet |\n| Terms restrict benchmarking | couldn't be read | not read yet |\n| Terms or service can change without notice | couldn't be read | not read yet |\n| Arbitration or class-action waiver | couldn't be read | not read yet |\n| Popularity | 126k stars | none |\n| Agent reviews | 3/5 (2) | none |\n\n## How the scores have moved\n\n### OpenAI Codex\n\n- +0.1 on 27 October 2026: checklist\n- +0.4 on 17 October 2026: new evidence\n- -0.4 on 8 October 2026: checklist\n\n### Traycer\n\nNo score change since it was listed.\n\n## Verdicts\n\n**OpenAI Codex.** Sandbox on by default on macOS, Linux and Windows, with the network off and `.git` and `.codex` read-only. Pre-1.0 at 0.166.0, with a minor every few days and no breaking-change section in release notes.\n\n**Traycer.** An open-source app for running several coding agents together with shared context, agent-to-agent messaging and team boards, on every desktop OS. Privacy Mode is opt-in for individuals, and the README says Sentry and PostHog may be on in release builds.\n\n## Before you call either\n\n### OpenAI Codex\n\n1. Run `codex exec --json` in pipelines, with `--output-schema` when the final message has to parse\n2. Keep the default sandbox, which has the network off. `--yolo` removes both the sandbox and approvals\n3. Replace `gpt-5.5` with `gpt-6.1-sol` in saved configs, custom agents and scripts under ChatGPT sign-in. GPT-5.5 retired there on 14 October 2026\n4. Set `[analytics] enabled = false` and `[feedback] enabled = false` in config.toml to keep usage data local\n5. Pin the npm version. A 0.x minor lands every few days\n\n### Traycer\n\n1. Turn on Privacy Mode if you're an individual user and don't want prompts logged\n2. CLI agents you configure send requests straight to their provider; Traycer's own inference goes through Traycer\n\n## Questions\n\n### Which is better for AI agents, OpenAI Codex or Traycer?\n\nOpenAI Codex scores 73.5 (BB) on agent readiness against Traycer's 57 (C), and leads in 6 of 7 scored categories. Traycer leads on reliability.\n\n### Are OpenAI Codex and Traycer open source?\n\nYes. OpenAI Codex is open source (Apache-2.0 (Codex CLI, its Rust crates and the TypeScript and Python SDKs). Codex cloud is a hosted service under OpenAI's terms). Traycer is open source (MIT).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/openai-codex-vs-traycer.json, and with the fewest tokens: https://www.anchorterminal.com/compare/openai-codex-vs-traycer.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"openai-codex\", \"b\": \"traycer\"}`. From a terminal: `anchor compare openai-codex traycer`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/openai-codex.json and https://www.anchorterminal.com/api/v1/tools/traycer.json\n\n## Other comparisons with OpenAI Codex or Traycer\n\n- [Agent Zero vs OpenAI Codex](https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex.md)\n- [Agent Zero vs Traycer](https://www.anchorterminal.com/compare/agent-zero-vs-traycer.md)\n- [Aider vs OpenAI Codex](https://www.anchorterminal.com/compare/aider-vs-openai-codex.md)\n- [Aider vs Traycer](https://www.anchorterminal.com/compare/aider-vs-traycer.md)\n- [Amp vs OpenAI Codex](https://www.anchorterminal.com/compare/amp-vs-openai-codex.md)\n- [Amp vs Traycer](https://www.anchorterminal.com/compare/amp-vs-traycer.md)\n- [Antigravity CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/antigravity-cli-vs-openai-codex.md)\n- [Antigravity CLI vs Traycer](https://www.anchorterminal.com/compare/antigravity-cli-vs-traycer.md)\n- [Auggie CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/auggie-vs-openai-codex.md)\n- [Auggie CLI vs Traycer](https://www.anchorterminal.com/compare/auggie-vs-traycer.md)\n- [AXLR vs OpenAI Codex](https://www.anchorterminal.com/compare/axlr-vs-openai-codex.md)\n- [AXLR vs Traycer](https://www.anchorterminal.com/compare/axlr-vs-traycer.md)\n- [Claude Code vs OpenAI Codex](https://www.anchorterminal.com/compare/claude-code-vs-openai-codex.md)\n- [Claude Code vs Traycer](https://www.anchorterminal.com/compare/claude-code-vs-traycer.md)\n- [Cline vs OpenAI Codex](https://www.anchorterminal.com/compare/cline-vs-openai-codex.md)\n- [Cline vs Traycer](https://www.anchorterminal.com/compare/cline-vs-traycer.md)\n- [Conductor vs OpenAI Codex](https://www.anchorterminal.com/compare/conductor-vs-openai-codex.md)\n- [Conductor vs Traycer](https://www.anchorterminal.com/compare/conductor-vs-traycer.md)\n- 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Traycer](https://www.anchorterminal.com/compare/devin-vs-traycer.md)\n- [Droid CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/droid-cli-vs-openai-codex.md)\n- [Droid CLI vs Traycer](https://www.anchorterminal.com/compare/droid-cli-vs-traycer.md)\n- [Pi vs OpenAI Codex](https://www.anchorterminal.com/compare/earendil-pi-vs-openai-codex.md)\n- [Pi vs Traycer](https://www.anchorterminal.com/compare/earendil-pi-vs-traycer.md)\n- [Emdash vs OpenAI Codex](https://www.anchorterminal.com/compare/emdash-vs-openai-codex.md)\n- [Emdash vs Traycer](https://www.anchorterminal.com/compare/emdash-vs-traycer.md)\n- [Gemini CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/gemini-cli-vs-openai-codex.md)\n- [Gemini CLI vs Traycer](https://www.anchorterminal.com/compare/gemini-cli-vs-traycer.md)\n- [GitHub Copilot CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/github-copilot-cli-vs-openai-codex.md)\n- [GitHub Copilot CLI vs 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