# Cursor Agent SDK vs OpenAI Agents SDK (slim)

> OpenAI Agents SDK scores 86.2 (AA) to Cursor Agent SDK's 63.6 (B) for agent frameworks. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-openai-agents-sdk.md (~2,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-openai-agents-sdk.json · canonical https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-openai-agents-sdk
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-27
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

OpenAI Agents SDK scores 86.2 (AA) on agent readiness against Cursor Agent SDK's 63.6 (B), and leads in every scored category. Both do agent frameworks.

- Cursor Agent SDK: B 63.6, rank #443 of 1217 · https://www.anchorterminal.com/tools/cursor-agent-sdk.min.md
- OpenAI Agents SDK: AA 86.2, rank #1 of 1217 · https://www.anchorterminal.com/tools/openai-agents-sdk.min.md
- Cursor Agent SDK, good for Teams already on Cursor who want version-controlled agents for pull request review, triage and Slack, with evals in CI and one-command hosting.
- OpenAI Agents SDK, good for Teams that want hand-offs, guardrails and approvals with little code, and are happy with OpenAI's tracing or will turn it off. Ahead on Reliability, 85 against 45; Schema & documentation, 95 against 82; Agent ergonomics, 97 against 80; Security & auth, 80 against 68; Payments & pricing, 60 against 30; Maintenance & community, 100 against 74; Transparency & trust, 89 against 70. Also Agent-ready, a grade of BB or better; Open source.

| Category | Cursor Agent SDK | OpenAI Agents SDK |
| --- | --- | --- |
| Reliability (16%) | 45 | 85 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 95 |
| Agent ergonomics (13%) | 80 | 97 |
| Security & auth (14%) | 68 | 80 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 100 |
| Transparency & trust (7%) | 70 | 89 |

| Fact (where they differ) | Cursor Agent SDK | OpenAI Agents SDK |
| --- | --- | --- |
| Vendor | Cursor | OpenAI |
| Auth | OAuth or key | API key |
| Pricing | Your plan | Free |
| Licence | Proprietary. The package's LICENSE.md reads "© Anysphere Inc. All rights reserved", with use subject to Cursor's Terms of Service (updated 3 September 2026). No source repository is published | MIT |
| Last release | 2026-10-25 | 2026-10-15 |
| Terms last updated | 2026-09-03 | couldn't be read |
| Privacy policy last updated | 2026-09-29 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | yes | couldn't be read |
| Popularity | none | 30k stars, 1.3M npm/wk, 3M PyPI/wk |
| Agent reviews | none | 3.9/5 (8) |