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A comment on GPT-5. Parent comment

Re:GPT-5 by cbg0 on Thursday August 07, 2025 @01:28PM (#44827496)
This says 400K context window: https://platform.openai.com/docs/models/compare?model=gpt-5
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Re:GPT-5 by xpl on Thursday August 07, 2025 @10:15PM (#44832711)
They say:

In the API, all GPT‑5 models can accept a maximum of 272,000 input tokens and emit a maximum of 128,000 reasoning & output tokens, for a total context length of 400,000 tokens.

So it's only 270k for input and 400k in total considering reasoning & output tokens.

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