# OpenAI Agents API vs Traycer (slim)

> OpenAI Agents scores 73.3 (BB) to Traycer's 57 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-agents-api-vs-traycer.md (~5,800 tokens) · this version ~2,180 tokens · JSON https://www.anchorterminal.com/compare/openai-agents-api-vs-traycer.json · canonical https://www.anchorterminal.com/compare/openai-agents-api-vs-traycer
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-07
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OpenAI Agents API scores 73.3 (BB) on agent readiness against Traycer's 57 (C), and leads in 5 of 7 scored categories. Traycer leads on reliability. Both do agent harnesses.

- OpenAI Agents API: BB 73.3, rank #110 of 1486 · https://www.anchorterminal.com/tools/openai-agents-api.min.md
- Traycer: C 57, rank #811 of 1486 · https://www.anchorterminal.com/tools/traycer.min.md
- OpenAI Agents API, good for Teams that want OpenAI to run the agent loop, with sandboxes, MCP tools and subagents, and are fine with a beta API, US-only data residency and no Zero Data Retention. Ahead on Schema & documentation, 88 against 65; Agent ergonomics, 80 against 65; Security & auth, 87 against 42; Maintenance & community, 87 against 75; Transparency & trust, 85 against 60. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install.
- Traycer, good for Teams who want several coding agents working together with shared context and boards. Ahead on Reliability, 65 against 60. Also No key needed to call it; Open source.

| Category | OpenAI Agents API | Traycer |
| --- | --- | --- |
| Reliability (16%) | 60 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 65 |
| Agent ergonomics (13%) | 80 | 65 |
| Security & auth (14%) | 87 | 42 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 75 |
| Transparency & trust (7%) | 85 | 60 |

| Fact (where they differ) | OpenAI Agents API | Traycer |
| --- | --- | --- |
| Kind | HTTP API | Agent harness |
| Vendor | OpenAI | Traycer AI |
| Hosted endpoint | `https://api.openai.com/v1/agents/sessions` | no (local only) |
| Transports | https |  |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | Proprietary hosted API under OpenAI's Services Agreement. The SDKs are Apache 2.0 | MIT |
| llms.txt | yes | no |
| Last release | 2026-10-16 | 2026-11-06 |
| Terms last updated | couldn't be read | no document linked |
| Privacy policy last updated | couldn't be read | no document linked |
| Customer content may train models | couldn't be read | not read yet |
| Terms restrict automated access | couldn't be read | not read yet |
| Terms restrict benchmarking | couldn't be read | not read yet |
| Terms or service can change without notice | couldn't be read | not read yet |
| Arbitration or class-action waiver | couldn't be read | not read yet |

Why the edge:
- Security & auth, OpenAI Agents API +45: OpenAI Agents API 87 (Project keys with restricted per-endpoint permissions, service accounts and workload identity, per the openai-api listing; we didn't confirm a key can be limited to /v1/agents (27 of 30). Automatic review for approvals, a sandbox network restricted to a host allowlist, vaults for secrets and a sandbox security guide (17 of 20). The agent reads web pages, MCP results and browser content; the sandbox security guide and approval flow are the mitigations, with no prompt-injection guide of its own found (8 of 15). Tracing, observability and usage per session and admin audit logs (15). SOC 2 Type 2, ISO 27001 family, Bugcrowd bounty and a disclosure policy, per the openai-api listing (20). Not ZDR-eligible and US residency only, recorded under transparency. 27 + 17 + 8 + 15 + 20 = 87.); 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.)
- Transparency & trust, OpenAI Agents API +25: OpenAI Agents API 85 (Closed service with clear terms, Apache-2.0 SDKs (15). Session state retained until deleted, deletable sessions and artifacts, not ZDR-eligible, US residency only, and the data-controls guide agrees; no retention period for artifacts after a sandbox expires (25 of 30). Dated deprecation notices with minimum periods for GA models; a beta API can change faster (15 of 20). Subprocessors and processing countries listed, per the openai-api listing (20). 15 + 25 + 15 + 20 = 75.); 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.)
- Schema & documentation, OpenAI Agents API +23: OpenAI Agents API 88 (The reference is linked from the overview and the SDKs carry beta.agents types; we didn't confirm /agents/sessions in OpenAI's public OpenAPI file, so 15 of 25. llms.txt with every Agents API page and Markdown twins (10). The overview, architecture page and the agents guide that compares the Agents API, Agents SDK and Responses API say when to use it (20). Typed configuration with enumerated container sizes, network modes and environment types (13 of 15). Examples in six languages and an errors page with codes per HTTP status, turn and session (15). Dated changelog entries and a versioned beta header (15). 15 + 10 + 20 + 13 + 15 + 15 = 88.); Traycer 65 (Harness reading. Mintlify docs, a protocol package and a CLI (65).)
- Agent ergonomics, OpenAI Agents API +15: OpenAI Agents API 80 (Read as an API an agent drives. Context is compacted automatically, and session budgets and streamed events keep output sized (20 of 25). Sessions can be listed, continued and steered, events streamed or sent by webhook, artifacts fetched (15 of 20). Actionable error codes with recovery steps (20). No idempotency key; a documented check-then-retry procedure (10 of 20). One session call with defaults (medium sandbox, network enabled), SDKs in five languages (15). 20 + 15 + 20 + 10 + 15 = 80.); Traycer 65 (Harness reading. Model switching within an agent, agent-to-agent loops, a CLI and cross-device sync (65).)
- Maintenance & community, OpenAI Agents API +12: OpenAI Agents API 87 (Closed API. Last dated change 16 October 2026, Ultrafast mode and document skills (30). Four dated changelog entries in the 57 days since release, 10 September, 29 September, 9 October and 16 October (20). Changelog and help centre, as the openai-api listing reads them (12 of 15). Official SDKs carry beta.agents (15). SDK CI, per the openai-api listing (10). 30 + 20 + 12 + 15 + 10 = 87.); 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.)
- Reliability, Traycer +5: OpenAI Agents API 60 (Read as a hosted API. status.openai.com has an Agents component under APIs (20). Since release on 10 September (57 days, not 90), the feed names the Agents API in a degraded-performance incident on 14 September, the elevated errors across ChatGPT, Codex and the API on 29 September (the openai-api listing reads that one as a major, 17:52 to 23:14 UTC), computer use issues and degraded workspace agents on 6 and 7 October, degraded performance across the APIs for 22 minutes on 21 October, and overbilling for hosted containers on 19 September. One major, the rest minor (10). Rate limits come from the shared guide, published per tier and model with headers, and the errors page adds a Files API allowance on session creation (15). 429 and 503 guidance with Retry-After, capped backoff and a check-then-retry procedure for turns (15). The Scale Tier SLA in the openai-api listing isn't shown to cover a beta API (0). Public beta behind the agents=v1 header (0). 20 + 10 + 15 + 15 + 0 + 0 = 60.); Traycer 65 (Local software. Builds for macOS, Linux and Windows, and package-manager publishing workflows (20). test.yml, CodeQL, OpenSSF Scorecard and secret scanning run 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). Host 1.5.3 (15). 20 + 15 + 0 + 15 + 15 = 65.)