Steven Heidel
@stevenheidel
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API @OpenAI | 🏳️🌈 he/him
San Francisco, CA
Joined October 2014
the OpenAI Responses API is now the first truly agentic API 🚀. developers can combine MCP servers, code interpreter, reasoning, web search, and RAG - all within a single API call - to build the next generation of agents 🤖.
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celebrating a decade since the supreme court legalized gay marriage in the US!
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deep research, web search with o3/o4-mini, web search price drop, and webhooks!. (also periodic reminder that @stevendcoffey and I are not the same person).
Launching today in the OpenAI API:. - Deep Research in the Responses API!.- Web search with o3/o4-mini!.- Webhooks!.- Logprobs in the Responses API!. Please try to enjoy all of these ships equally 😌
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developers: join me and others from the OpenAI API team at DevDay 2025!.
OpenAI DevDay.Oct 6, 2025 in San Francisco. Our biggest one yet:.- 1500+ developers.- Livestreamed opening keynote.- Hands-on building with our latest models & tools.- More stages & more demos.
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OpenAI developers: have you tried out Remote MCP servers in the Responses API? what can we improve?.
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the OpenAI API is back to running at 100% again, plus we dropped o3 prices by 80% and launched o3-pro - enjoy!.
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ChatGPT and the API are currently experiencing elevated errors and latency, we are rolling out a fix.
ChatGPT and API are experiencing elevated error rates unfortunately. Sorry for the trouble. We've diagnosed the root cause and are working on the fix to recover our services as quickly as we can.
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called it.
Trump cheated on his previous wives, it will be no different with Elon.
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