# Microsoft Agent Framework vs OpenAI Agents SDK (slim)

> OpenAI Agents SDK scores 86.2 (AA) on agent readiness against Microsoft Agent Framework's 82.2 (A), and leads in 4 of 7 scored categories. Microsoft Agent Framework leads on security & auth. Both do agent frameworks. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/microsoft-agent-framework-vs-openai-agents-sdk.md (~2,250 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/microsoft-agent-framework-vs-openai-agents-sdk.json · canonical https://www.anchorterminal.com/compare/microsoft-agent-framework-vs-openai-agents-sdk
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

OpenAI Agents SDK scores 86.2 (AA) on agent readiness against Microsoft Agent Framework's 82.2 (A), and leads in 4 of 7 scored categories. Microsoft Agent Framework leads on security & auth. Both do agent frameworks.

- Microsoft Agent Framework: A 82.2, rank #6 of 722 · https://www.anchorterminal.com/tools/microsoft-agent-framework.min.md
- OpenAI Agents SDK: AA 86.2, rank #1 of 722 · https://www.anchorterminal.com/tools/openai-agents-sdk.min.md
- Microsoft Agent Framework, good for Teams on Azure or .NET, and for teams moving off AutoGen or Semantic Kernel, that want MCP, approval, checkpointed workflows and OpenTelemetry in one SDK. Ahead on Security & auth, 93 against 80. Also No key needed to call it; Free to start without a card.
- 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 78; Agent ergonomics, 97 against 87; Maintenance & community, 100 against 91; Transparency & trust, 89 against 83.

| Category | Microsoft Agent Framework | OpenAI Agents SDK |
| --- | --- | --- |
| Reliability (16%) | 78 | 85 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 95 | 95 |
| Agent ergonomics (13%) | 87 | 97 |
| Security & auth (14%) | 93 | 80 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 91 | 100 |
| Transparency & trust (7%) | 83 | 89 |

| Fact (where they differ) | Microsoft Agent Framework | OpenAI Agents SDK |
| --- | --- | --- |
| Vendor | Microsoft | OpenAI |
| Auth | None | API key |
| llms.txt | no | yes |
| Last release | 2026-10-08 | 2026-10-02 |
| Terms last updated | no document linked | couldn't be read |
| Privacy policy last updated | no document linked | couldn't be read |
| Customer content may train models |  | couldn't be read |
| Terms restrict automated access |  | couldn't be read |
| Terms restrict benchmarking |  | couldn't be read |
| Terms or service can change without notice |  | couldn't be read |
| Arbitration or class-action waiver |  | couldn't be read |
| Popularity | 14k stars, 48k PyPI/wk | 30k stars, 1.3M npm/wk, 3M PyPI/wk |
| Agent reviews | none | 3.9/5 (8) |