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Two new additions to the API: 📚 Deep research 🪝 Webhooks
o3-deep-research: <a target="_blank" href="https://platform.openai.com/docs/models/o3-deep-research" color="blue">platform.openai.com/docs/models/o3…</a> o4-mini-deep-research: <a target="_blank" href="https://platform.openai.com/docs/models/o4-mini-deep-research" color="blue">platform.openai.com/docs/models/o4…</a> These models are the same post-trained o3 and o4-mini models that power deep research in ChatGPT. They also support MCP (search/fetch) and Code Interpreter.
And instead of polling, webhooks now let you receive notifications for certain API events—such as completed responses, fine-tuning jobs, and batch jobs. We recommend using webhooks for long-horizon tasks (like deep research!) to improve reliability. <a target="_blank" href="https://platform.openai.com/docs/guides/webhooks" color="blue">platform.openai.com/docs/guides/we…</a>
Read our cookbook guide on how to get started with deep research in the API: <a target="_blank" href="https://cookbook.openai.com/examples/deep_research_api/introduction_to_deep_research_api" color="blue">cookbook.openai.com/examples/deep_…</a>