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OpenAI · Framework or SDK
Best for: Python or TypeScript agents with handoffs and guardrails.
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Checked 1 Nov 2026. A dash means not published on the sources we checked. Price source openai.com (opens in a new tab)
| Maker | OpenAI |
|---|---|
| Category | Framework or SDK |
| Skill needed | Developer |
| Underlying models | OpenAI models, and other providers with a Chat Completions style endpoint openai.com (opens in a new tab) |
| Free tier | Yes github.com (opens in a new tab)Free library |
| Plans and tiers | Free US$0 openai.com (opens in a new tab) |
| Paid plans | Free openai.com (opens in a new tab)Free. Model tokens and tools billed at API rates |
| Runs on | Self-host openai.github.io (opens in a new tab) |
| Autonomy | Can run unattended openai.github.io (opens in a new tab) |
| MCP support | Yes openai.github.io (opens in a new tab) |
| A2A support | – |
| Open source | Yes github.com (opens in a new tab)MIT |
| Integrations | – |
| Status | – |
| Launched | 2025-03-11 openai.com (opens in a new tab) |
| Best for | Python or TypeScript agents with handoffs and guardrails |
| Limitations |
|
Lowest listed monthly plan in US$, or 0 where a free tier is the entry point. Usage-based and enterprise pricing is not shown here, see each profile.
| Agent | From US$ a month |
|---|---|
| OpenAI Agents SDK | 0 |
| Agent Development Kit (ADK) | 0 |
| AutoGen | 0 |
| Claude Agent SDK | 0 |
| Mastra | 0 |
OpenAI Agents SDK states MCP support openai.github.io (opens in a new tab). It runs on your computer or servers, so remote and local servers both fit. This is not a test of each server.
Most shared jobs and the same category first, then the closest entry price. A similarity, not a ranking.
Compare OpenAI Agents SDK with Agent Development Kit (ADK) and AutoGen
All 42 AI agents · AI models · How we check sources
OpenAI 
CNBC confirmed OpenAI is now seeking up to US$20bn, down from about US$30bn, and the FT put the post-money valuation at US$1.25tn. The round is still open. Less fresh equity means more scrutiny of every gigawatt OpenAI has signed for.
Source: CNBC (opens in a new tab)
OpenAI
OpenAI says Terra matches GPT-6 Astra on Agents' Last Exam at a tenth of the price per token and finishes tasks over 3x faster.
Source: OpenAI (opens in a new tab)
