OpenAI's prompt cache on GPT-5.6+ only promises 30 minutes by default. Pydantic AI can…
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OpenAI's prompt cache on GPT-5.6+ only promises 30 minutes by default. Pydantic AI can now ask the Responses API for 12 hours. That fits instructions reused all day by requests an hour apart. Writes cost 2.5x input instead of 1.25x; reads cost the same. https://pydantic.io/Rs8wJ
Posted by Pydantic (21.2k followers) 4 h ago · 17 likes · 895 views · view the original post on X. Kept by the Dev Radar as AI dev tools.
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