Is there a "thinking" message in gpt-o3 or gpt-o4-mini's response?

I haven’t found the “thinking” message in the gpt-o3 or gpt-o4-mini’s response. Is there a “thinking” message in the gpt-o3 or gpt-o4-mini, just like other reasoning models? Thank you.

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you can get back a “reasoning summary” via the API, but not the actual internal chain of thought, which is a trade secret.

(btw, a reasoning model looks like wasteful overkill for this task. Just use a weather API in a local function and the smallest of the API LLMs like 4.1 nano?)

Thank you for the information @merefield , could you please clarify which API can get back the “reasoning summary”?
(you are correct, this kind of weather question is wasteful for reasoning model, it’s just a demo for the thinking messages :grinning_face:)

Oh, I see, in the Responses API, we can retrieve the “reasoning summary”. Thank you. https://platform.openai.com/docs/guides/reasoning?api-mode=responses#reasoning-summaries

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