Found this posted on X by a developer and wondering if accurate? I just checked and no public changelog, blog post, or help center article confirming.
Thanks for anybody who can verify. Cheers!
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It does align with the âintroducing OpenAI o3 and o4-miniâ, here an archive copy from April 16 to ensure no backsies:
Both o3 and o4-mini are also available to developers today via the Chat Completions API and Responses API (some developers will need to verify their organizationsâ (opens in a new window) to access these models). The Responses API supports reasoning summaries, the ability to preserve reasoning tokens around function calls for better performance, and will soon support built-in tools like web search, file search, and code interpreter within the modelâs reasoning.
âSoon supportâ would be consistent with the intention statement "no current supportâ, and the Playground not presenting internal tools for the models. You can make the API calls to see if the seen messaging and service continuation for five more days only applies to those notified because they made tool use on Responses via its iterator (like deprecation notices going out to just recent users).
Your own functions can include a shim to the vector store search endpoint, along with your own web provider (if not more cheaply giving chat completions web search model results.)
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