Claude Agent SDK vs OpenAI Agents SDK
OpenAI Agents SDK scores higher overall: 77/100 (A-tier) vs 76/100 (A-tier) for Claude Agent SDK in Agent frameworks & orchestration. Claude Agent SDK leads on job fit and builder/gamer bonus. OpenAI Agents SDK leads on ease, value and openness & portability. They tie on momentum and trust & maturity.
Scores are initial editorial estimates from public information, not hands-on tests. How we score →
Side by side
| Claude Agent SDK | OpenAI Agents SDK | |
|---|---|---|
| Tier | A | A |
| Overall score | 76/100 | 77/100 |
| Job fit | 20/30 | 18/30 |
| Ease / time-to-first-result | 11/15 | 12/15 |
| Value | 11/15 | 13/15 |
| Momentum | 12/15 | 12/15 |
| Openness & portability | 8/10 | 9/10 |
| Trust & maturity | 9/10 | 9/10 |
| Builder/gamer bonus | 5/5 | 4/5 |
| What it does | Anthropic's SDK exposing the Claude Code agent loop, tools, and context management for custom agents. | Open-source SDK with agents, handoffs, guardrails and tracing; works with many model providers. |
| Best for | You want Claude Code's proven agent loop inside your own product. | You want a minimal, well-documented agent SDK. |
| Skip it if | You need to use non-Claude models. | You need a visual builder. |
| Pricing | Free SDK; pay for Claude API usage unverified editorial summary, not yet confirmed on an official pricing page | Free and open source; pay for model usage unverified editorial summary, not yet confirmed on an official pricing page |
| Starting paid price | Not recorded | Not recorded |
| Free tier | Yes (unverified) | Yes (unverified) |
| Platforms | Python SDK · TypeScript SDK | Python SDK · JS SDK |
| Open source | Yes | Yes |
| Official site | code.claude.com | openai.github.io |
| Last reviewed | Oct 18, 2026 | Oct 18, 2026 |
Which should you pick?
Pick Claude Agent SDK if…
You want Claude Code's proven agent loop inside your own product.
Pick OpenAI Agents SDK if…
You want a minimal, well-documented agent SDK.
FAQ
Is Claude Agent SDK better than OpenAI Agents SDK?
OpenAI Agents SDK scores higher overall: 77/100 (A-tier) vs 76/100 (A-tier) for Claude Agent SDK in Agent frameworks & orchestration. Claude Agent SDK leads on job fit and builder/gamer bonus. OpenAI Agents SDK leads on ease, value and openness & portability. They tie on momentum and trust & maturity. The better pick depends on the job: choose Claude Agent SDK if you want Claude Code's proven agent loop inside your own product. Choose OpenAI Agents SDK if you want a minimal, well-documented agent SDK.
Do Claude Agent SDK and OpenAI Agents SDK have free tiers?
Claude Agent SDK: free tier listed (unverified). OpenAI Agents SDK: free tier listed (unverified). Unverified means an editorial summary not yet confirmed on the vendor's pricing page.
Is Claude Agent SDK or OpenAI Agents SDK open source?
Claude Agent SDK is listed as open source; OpenAI Agents SDK is listed as open source.
How are these scores calculated?
Both tools are scored out of 100 on the same public rubric (job fit 30, ease 15, value 15, momentum 15, openness 10, trust 10, builder/gamer bonus 5) within their category. Current scores are initial editorial estimates from public information, not hands-on tests. Sponsors cannot buy points.
Keep exploring
- Claude Agent SDK review and score breakdown
- OpenAI Agents SDK review and score breakdown
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- Best Python frameworks for building AI agents
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- Agent frameworks & orchestration tier list