{ "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 Paseo's 62.1 (B), and leads in 6 of 7 scored categories.", "b": { "slug": "paseo", "name": "Paseo", "vendor": "Mohamed Boudra", "vendorUrl": "https://paseo.sh", "kind": "harness", "category": "agent-harnesses", "summary": "Paseo is an open-source development environment that runs coding agents in parallel on your own machines, each in its own worktree, driven from desktop, iOS, Android, web or CLI, with voice control and no telemetry.", "url": "https://www.anchorterminal.com/tools/paseo", "markdownUrl": "https://www.anchorterminal.com/tools/paseo.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/paseo.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/paseo.json", "dns": "paseo.grade.anchorterminal.com", "repo": "https://github.com/getpaseo/paseo", "license": "Apache-2.0", "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://github.com/getpaseo/paseo#readme", "capabilities": [ "agent.harness", "agent.multi-agent" ], "tags": [ "open-source", "apache-2.0", "desktop-app", "mobile", "cli", "self-hosted", "new" ], "lastRelease": "2026-11-07", "graded": true, "anchor": { "graded": true, "score": 62.1, "grade": "B", "agentReady": false, "rank": 577, "ranked": true, "rankOf": 1510, "categoryRank": 14, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 70, "maintenance": 75, "payments": 60, "reliability": 50, "schema": 65, "security": 58, "transparency": 68 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "low", "date": "2026-11-07" }, "negative": 0, "verdict": "A self-hosted, open-source workspace for running many coding agents on your own machines, scriptable from the CLI and reachable from phone, web or desktop, with no telemetry or forced log-in. It's pre-1.0 and run largely by one maintainer.", "bestFor": "Developers who want parallel coding agents on their own machines with no telemetry, reachable from anywhere.", "strengths": [ "No telemetry, tracking or forced log-ins, per the README", "Agents can create worktrees, launch other agents and talk to them across providers", "Desktop, iOS, Android, web and CLI clients for one self-hosted daemon", "Apache 2.0, with a changelog and CI" ], "weaknesses": [ "Pre-1.0, at 0.15.3", "Most commits come from one maintainer and bots", "No prompt-injection guidance for agents that read untrusted content" ], "agentNotes": [ "Run the daemon on the machine that has your tools and credentials, and connect from the clients", "Script runs from the CLI for repeatable agent jobs" ], "metrics": { "kind": "local", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "low", "grade": "B", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 62.1 } ], "editorialScores": { "ergonomics": 70, "maintenance": 75, "payments": 60, "reliability": 50, "schema": 65, "security": 58, "transparency": 82 }, "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 from the releases page, or run the daemon with Docker or Nix" }, "letme": { "capability": "https://letme.dev/agent.harness", "tool": "https://letme.dev/paseo" }, "area": "frameworks", "provenance": { "legalEntity": "Mohamed Boudra", "domain": "paseo.sh", "domainRegistered": "", "domainNote": "Not looked up: RDAP isn't requested under the 1 November 2026 rules.", "endpointOnVendorDomain": null, "terms": "", "privacy": "", "statusPage": "", "changelog": "https://github.com/getpaseo/paseo/blob/main/CHANGELOG.md", "securityTxt": "none", "checked": "2026-11-07", "notes": [ "The licence names Mohamed Boudra. The repository is github.com/getpaseo/paseo." ], "score": 53 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/paseo.json", "live": { "slug": "paseo", "securityTxt": { "url": "https://paseo.sh/.well-known/security.txt", "state": "unknown", "checkedAt": "2026-11-07T16:00:35.732625089Z" }, "pages": [ { "url": "https://raw.githubusercontent.com/getpaseo/paseo/main/CHANGELOG.md", "kind": "changelog", "status": 200, "checkedAt": "2026-11-07T14:21:03.944050608Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c67e95fe9cd7" } ], "updatedAt": "2026-11-07T16:00:35.732625089Z" } }, "edges": [ { "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. Public docs, a CLI and plugin examples in the repository (65)." }, "scores": { "a": 90, "b": 65 } }, { "by": 24, "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. The README says no telemetry, tracking or forced log-ins (30 of 30). Worktree per agent, on your own machine (10 of 20). No prompt-injection guidance (5). No audit log (5). SECURITY.md (8). 30 + 10 + 5 + 5 + 8 = 58." }, "scores": { "a": 82, "b": 58 } }, { "by": 17, "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": "Apache 2.0 for everything but third-party components (30). No telemetry and agents run on your machine (22 of 30). CHANGELOG.md, no deprecation policy (10). States no telemetry (20). 30 + 22 + 10 + 20 = 82." }, "scores": { "a": 85, "b": 68 } }, { "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": "v0.15.3 and commits on 7 November 2026 (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 builds (15). CI on push (10). 30 + 20 + 0 + 15 + 10 = 75." }, "scores": { "a": 87, "b": 75 } }, { "by": 10, "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. A self-hosted daemon that agents can use to create worktrees, launch other agents and talk to them, scriptable from the CLI (70)." }, "scores": { "a": 80, "b": 70 } }, { "by": 5, "category": "reliability", "leads": "openai-codex", "name": "Reliability", "reasons": { "a": "Local-package reading. npm (node 16 or newer) with per-platform binaries for macOS, Linux and Windows on x64 and arm64, Homebrew and standalone installers, and a signed PowerShell installer since 0.162.0, per the 17 October check, with 0.166.0 on 29 October the newest tag (20). Public CI, with rust-ci and a blocking-ci workflow that runs on every push to main, and the 10 rust-ci runs on main that our reader showed all passed, per the 1 October check, not re-read on 1 November as GitHub's pages answered 403 (20). Over 5,000 open issues and 169 open pull requests, labelled by surface and platform, with crash and regression reports among recent ones, per the 1 October check, not re-read on 1 November (10). 0.x minors every few days, and release notes for 0.164.0 to 0.166.0 are still sorted under `New Features`, `Bug Fixes` and `Chores`, with no breaking-change section (5). 0.166.0, pre-1.0 (0). 20 + 20 + 10 + 5 + 0 = 55. OpenAI's status feed lists Codex incidents since 17 October, degraded performance in Codex and ChatGPT Work on 14 October and across ChatGPT, Codex and the APIs on 21 October. The local-package reading doesn't score them.", "b": "Local software. Desktop builds, an Android APK, a Docker image and a Nix package (20). ci.yml on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). CHANGELOG.md (15). Version 0.15.3 (0). 20 + 15 + 0 + 15 + 0 = 50." }, "scores": { "a": 55, "b": 50 } } ], "facts": [ { "a": "Agent harness", "b": "Agent harness", "name": "Kind" }, { "a": "OpenAI", "b": "Mohamed Boudra", "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": "Apache-2.0", "name": "Licence" }, { "a": "yes", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "no", "name": "llms.txt" }, { "a": "2026-10-29", "b": "2026-11-07", "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 Paseo's 62.1 (B), and leads in 6 of 7 scored categories.", "question": "Which is better for AI agents, OpenAI Codex or Paseo?" }, { "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). Paseo is open source (Apache-2.0).", "question": "Are OpenAI Codex and Paseo open source?" } ], "goodFor": [ { "aheadOn": [ "Reliability, 55 against 50", "Schema \u0026 documentation, 90 against 65", "Agent ergonomics, 80 against 70", "Security \u0026 auth, 82 against 58", "Maintenance \u0026 community, 87 against 75", "Transparency \u0026 trust, 85 against 68" ], "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": null, "also": [ "No key needed to call it" ], "goodFor": "Developers who want parallel coding agents on their own machines with no telemetry, reachable from anywhere.", "slug": "paseo", "watchFor": "Pre-1.0, at 0.15.3" } ], "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" } ], "paseo": 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-paseo.json", "title": "Agent Zero vs Paseo", "url": "https://www.anchorterminal.com/compare/agent-zero-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/aider-vs-openai-codex.json", "title": "Aider vs OpenAI Codex", "url": 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Code vs Paseo", "url": "https://www.anchorterminal.com/compare/claude-code-vs-paseo" }, { "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-paseo.json", "title": "Cline vs Paseo", "url": "https://www.anchorterminal.com/compare/cline-vs-paseo" }, { "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-paseo.json", "title": "Conductor vs Paseo", "url": "https://www.anchorterminal.com/compare/conductor-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/crush-vs-openai-codex.json", "title": "Crush vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/crush-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/crush-vs-paseo.json", "title": "Crush vs Paseo", "url": "https://www.anchorterminal.com/compare/crush-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-openai-codex.json", "title": "Cursor CLI vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/cursor-cli-vs-paseo.json", "title": "Cursor CLI vs Paseo", "url": "https://www.anchorterminal.com/compare/cursor-cli-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-openai-codex.json", "title": "DeepSeek Harness (dsh) vs OpenAI Codex", "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-openai-codex" }, { "json": "https://www.anchorterminal.com/compare/deepseek-harness-vs-paseo.json", "title": "DeepSeek Harness (dsh) vs Paseo", "url": "https://www.anchorterminal.com/compare/deepseek-harness-vs-paseo" }, { "json": 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"https://www.anchorterminal.com/compare/orca-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-prime-agent.json", "title": "Paseo vs Prime Agent", "url": "https://www.anchorterminal.com/compare/paseo-vs-prime-agent" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-qoder-cli.json", "title": "Paseo vs Qoder CLI", "url": "https://www.anchorterminal.com/compare/paseo-vs-qoder-cli" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-qwen-code.json", "title": "Paseo vs Qwen Code", "url": "https://www.anchorterminal.com/compare/paseo-vs-qwen-code" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-reflection-mirror.json", "title": "Paseo vs Mirror CLI", "url": "https://www.anchorterminal.com/compare/paseo-vs-reflection-mirror" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-rovo-dev-cli.json", "title": "Paseo vs Rovo Dev CLI", "url": "https://www.anchorterminal.com/compare/paseo-vs-rovo-dev-cli" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-sculptor.json", "title": "Paseo vs Sculptor", "url": "https://www.anchorterminal.com/compare/paseo-vs-sculptor" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-t3-code.json", "title": "Paseo vs T3 Code", "url": "https://www.anchorterminal.com/compare/paseo-vs-t3-code" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-traycer.json", "title": "Paseo vs Traycer", "url": "https://www.anchorterminal.com/compare/paseo-vs-traycer" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-unstoppable.json", "title": "Paseo vs Unstoppable", "url": "https://www.anchorterminal.com/compare/paseo-vs-unstoppable" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-verdent.json", "title": "Paseo vs Verdent", "url": "https://www.anchorterminal.com/compare/paseo-vs-verdent" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-vibe-trading.json", "title": "Paseo vs Vibe-Trading", "url": "https://www.anchorterminal.com/compare/paseo-vs-vibe-trading" }, { "json": "https://www.anchorterminal.com/compare/paseo-vs-warp.json", "title": "Paseo vs Warp (Warp Agent CLI and the Oz Agent API)", "url": "https://www.anchorterminal.com/compare/paseo-vs-warp" }, { "json": "https://www.anchorterminal.com/compare/clawboo-vs-paseo.json", "title": "Clawboo vs Paseo", "url": "https://www.anchorterminal.com/compare/clawboo-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/cli-manager-vs-paseo.json", "title": "CLI Manager vs Paseo", "url": "https://www.anchorterminal.com/compare/cli-manager-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/harness-autonomous-vs-paseo.json", "title": "Harness vs Paseo", "url": "https://www.anchorterminal.com/compare/harness-autonomous-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/openmausbot-vs-paseo.json", "title": "OpenMausBot vs Paseo", "url": "https://www.anchorterminal.com/compare/openmausbot-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/paperclip-vs-paseo.json", "title": "Paperclip vs Paseo", "url": "https://www.anchorterminal.com/compare/paperclip-vs-paseo" }, { "json": "https://www.anchorterminal.com/compare/parallax-agents-vs-paseo.json", "title": "Parallax vs Paseo", "url": "https://www.anchorterminal.com/compare/parallax-agents-vs-paseo" } ], "panel": null, "scores": [ { "by": 5, "edge": "openai-codex", "key": "reliability", "name": "Reliability", "openai-codex": 55, "paseo": 50, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 25, "edge": "openai-codex", "key": "schema", "name": "Schema \u0026 documentation", "openai-codex": 90, "paseo": 65, "weight": 13 }, { "by": 10, "edge": "openai-codex", "key": "ergonomics", "name": "Agent ergonomics", "openai-codex": 80, "paseo": 70, "weight": 13 }, { "by": 24, "edge": "openai-codex", "key": "security", "name": "Security \u0026 auth", "openai-codex": 82, "paseo": 58, "weight": 14 }, { "by": 0, "edge": "", "key": "payments", "name": "Payments \u0026 pricing", "openai-codex": 60, "paseo": 60, "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, "paseo": 75, "weight": 7 }, { "by": 17, "edge": "openai-codex", "key": "transparency", "name": "Transparency \u0026 trust", "openai-codex": 85, "paseo": 68, "weight": 7 } ], "summary": "OpenAI Codex scores 73.5 (BB) on agent readiness against Paseo's 62.1 (B), and leads in 6 of 7 scored categories. 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.", "paseo": "A self-hosted, open-source workspace for running many coding agents on your own machines, scriptable from the CLI and reachable from phone, web or desktop, with no telemetry or forced log-in. It's pre-1.0 and run largely by one maintainer." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/openai-codex-vs-paseo", "json": "https://www.anchorterminal.com/compare/openai-codex-vs-paseo.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/openai-codex-vs-paseo.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/openai-codex-vs-paseo.min.md" }, "markdown": "OpenAI Codex scores 73.5 (BB) on agent readiness against Paseo's 62.1 (B), and leads in 6 of 7 scored categories. 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- Paseo: grade B, 62.1/100, rank #577 of 1510. Markdown https://www.anchorterminal.com/tools/paseo.md · JSON https://www.anchorterminal.com/api/v1/tools/paseo.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- Reliability, 55 against 50\n- Schema \u0026 documentation, 90 against 65\n- Agent ergonomics, 80 against 70\n- Security \u0026 auth, 82 against 58\n- Maintenance \u0026 community, 87 against 75\n- Transparency \u0026 trust, 85 against 68\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### Paseo (B)\n\nGood for: Developers who want parallel coding agents on their own machines with no telemetry, reachable from anywhere.\n\nAlso in its favour:\n- No key needed to call it\n\nWatch for: Pre-1.0, at 0.15.3\n\n\n## Why the edge\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- Paseo (65): Harness reading. Public docs, a CLI and plugin examples in the repository (65).\n\n### Security \u0026 auth: OpenAI Codex +24\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- Paseo (58): Harness reading. The README says no telemetry, tracking or forced log-ins (30 of 30). Worktree per agent, on your own machine (10 of 20). No prompt-injection guidance (5). No audit log (5). SECURITY.md (8). 30 + 10 + 5 + 5 + 8 = 58.\n\n### Transparency \u0026 trust: OpenAI Codex +17\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- Paseo (68): Apache 2.0 for everything but third-party components (30). No telemetry and agents run on your machine (22 of 30). CHANGELOG.md, no deprecation policy (10). States no telemetry (20). 30 + 22 + 10 + 20 = 82.\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- Paseo (75): v0.15.3 and commits on 7 November 2026 (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 builds (15). CI on push (10). 30 + 20 + 0 + 15 + 10 = 75.\n\n### Agent ergonomics: OpenAI Codex +10\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- Paseo (70): Harness reading. A self-hosted daemon that agents can use to create worktrees, launch other agents and talk to them, scriptable from the CLI (70).\n\n### Reliability: OpenAI Codex +5\n\n- OpenAI Codex (55): Local-package reading. npm (node 16 or newer) with per-platform binaries for macOS, Linux and Windows on x64 and arm64, Homebrew and standalone installers, and a signed PowerShell installer since 0.162.0, per the 17 October check, with 0.166.0 on 29 October the newest tag (20). Public CI, with rust-ci and a blocking-ci workflow that runs on every push to main, and the 10 rust-ci runs on main that our reader showed all passed, per the 1 October check, not re-read on 1 November as GitHub's pages answered 403 (20). Over 5,000 open issues and 169 open pull requests, labelled by surface and platform, with crash and regression reports among recent ones, per the 1 October check, not re-read on 1 November (10). 0.x minors every few days, and release notes for 0.164.0 to 0.166.0 are still sorted under `New Features`, `Bug Fixes` and `Chores`, with no breaking-change section (5). 0.166.0, pre-1.0 (0). 20 + 20 + 10 + 5 + 0 = 55. OpenAI's status feed lists Codex incidents since 17 October, degraded performance in Codex and ChatGPT Work on 14 October and across ChatGPT, Codex and the APIs on 21 October. The local-package reading doesn't score them.\n- Paseo (50): Local software. Desktop builds, an Android APK, a Docker image and a Nix package (20). ci.yml on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). CHANGELOG.md (15). Version 0.15.3 (0). 20 + 15 + 0 + 15 + 0 = 50.\n\n## Score by category\n\n| Category | Weight | OpenAI Codex | Paseo | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 55 | 50 | OpenAI Codex +5 |\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 | 70 | OpenAI Codex +10 |\n| Security \u0026 auth | 14% (17.5 this run) | 82 | 58 | OpenAI Codex +24 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 60 | 60 | even |\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 | 68 | OpenAI Codex +17 |\n| Negative events | ≤15 | -2 | 0 | |\n| **Total** | | **73.5 · BB** | **62.1 · B** | |\n\n## Facts side by side\n\n| Fact | OpenAI Codex | Paseo |\n| --- | --- | --- |\n| Kind | Agent harness | Agent harness |\n| Vendor | OpenAI | Mohamed Boudra |\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 | Apache-2.0 |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | no |\n| Last release | 2026-10-29 | 2026-11-07 |\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### Paseo\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**Paseo.** A self-hosted, open-source workspace for running many coding agents on your own machines, scriptable from the CLI and reachable from phone, web or desktop, with no telemetry or forced log-in. It's pre-1.0 and run largely by one maintainer.\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### Paseo\n\n1. Run the daemon on the machine that has your tools and credentials, and connect from the clients\n2. Script runs from the CLI for repeatable agent jobs\n\n## Questions\n\n### Which is better for AI agents, OpenAI Codex or Paseo?\n\nOpenAI Codex scores 73.5 (BB) on agent readiness against Paseo's 62.1 (B), and leads in 6 of 7 scored categories.\n\n### Are OpenAI Codex and Paseo 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). Paseo is open source (Apache-2.0).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/openai-codex-vs-paseo.json, and with the fewest tokens: https://www.anchorterminal.com/compare/openai-codex-vs-paseo.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"openai-codex\", \"b\": \"paseo\"}`. From a terminal: `anchor compare openai-codex paseo`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/openai-codex.json and https://www.anchorterminal.com/api/v1/tools/paseo.json\n\n## Other comparisons with OpenAI Codex or Paseo\n\n- [Agent Zero vs OpenAI Codex](https://www.anchorterminal.com/compare/agent-zero-vs-openai-codex.md)\n- [Agent Zero vs Paseo](https://www.anchorterminal.com/compare/agent-zero-vs-paseo.md)\n- [Aider vs OpenAI Codex](https://www.anchorterminal.com/compare/aider-vs-openai-codex.md)\n- [Aider vs Paseo](https://www.anchorterminal.com/compare/aider-vs-paseo.md)\n- [Amp vs OpenAI Codex](https://www.anchorterminal.com/compare/amp-vs-openai-codex.md)\n- [Amp vs Paseo](https://www.anchorterminal.com/compare/amp-vs-paseo.md)\n- [Antigravity CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/antigravity-cli-vs-openai-codex.md)\n- [Antigravity CLI vs Paseo](https://www.anchorterminal.com/compare/antigravity-cli-vs-paseo.md)\n- [Auggie CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/auggie-vs-openai-codex.md)\n- [Auggie CLI vs Paseo](https://www.anchorterminal.com/compare/auggie-vs-paseo.md)\n- [AXLR vs OpenAI Codex](https://www.anchorterminal.com/compare/axlr-vs-openai-codex.md)\n- [AXLR vs Paseo](https://www.anchorterminal.com/compare/axlr-vs-paseo.md)\n- [Claude Code vs OpenAI Codex](https://www.anchorterminal.com/compare/claude-code-vs-openai-codex.md)\n- [Claude Code vs Paseo](https://www.anchorterminal.com/compare/claude-code-vs-paseo.md)\n- [Cline vs OpenAI Codex](https://www.anchorterminal.com/compare/cline-vs-openai-codex.md)\n- [Cline vs Paseo](https://www.anchorterminal.com/compare/cline-vs-paseo.md)\n- [Conductor vs OpenAI Codex](https://www.anchorterminal.com/compare/conductor-vs-openai-codex.md)\n- [Conductor vs Paseo](https://www.anchorterminal.com/compare/conductor-vs-paseo.md)\n- [Crush vs OpenAI Codex](https://www.anchorterminal.com/compare/crush-vs-openai-codex.md)\n- [Crush vs Paseo](https://www.anchorterminal.com/compare/crush-vs-paseo.md)\n- [Cursor CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/cursor-cli-vs-openai-codex.md)\n- [Cursor CLI vs Paseo](https://www.anchorterminal.com/compare/cursor-cli-vs-paseo.md)\n- [DeepSeek Harness (dsh) vs OpenAI Codex](https://www.anchorterminal.com/compare/deepseek-harness-vs-openai-codex.md)\n- [DeepSeek Harness (dsh) vs Paseo](https://www.anchorterminal.com/compare/deepseek-harness-vs-paseo.md)\n- [dsh-superagent (DeepSeek) vs OpenAI Codex](https://www.anchorterminal.com/compare/deepseek-superagent-vs-openai-codex.md)\n- [dsh-superagent (DeepSeek) vs Paseo](https://www.anchorterminal.com/compare/deepseek-superagent-vs-paseo.md)\n- [Devin vs OpenAI Codex](https://www.anchorterminal.com/compare/devin-vs-openai-codex.md)\n- [Devin vs Paseo](https://www.anchorterminal.com/compare/devin-vs-paseo.md)\n- [Droid CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/droid-cli-vs-openai-codex.md)\n- [Droid 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Paseo](https://www.anchorterminal.com/compare/harness-autonomous-vs-paseo.md)\n- [OpenMausBot vs Paseo](https://www.anchorterminal.com/compare/openmausbot-vs-paseo.md)\n- [Paperclip vs Paseo](https://www.anchorterminal.com/compare/paperclip-vs-paseo.md)\n- [Parallax vs Paseo](https://www.anchorterminal.com/compare/parallax-agents-vs-paseo.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-07", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { 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