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Source: OpenAI is preparing to launch GPT-5.4, with an “extreme” reasoning mode and a 1M-token context window, matching past models but up from GPT-5.2's 400K

The Information Stephanie Palazzolo

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Discussion

  • @kimmonismus @kimmonismus on x
    Big GPT-5.4 updates (via TheInformation) - 1M token context window -New “Extreme reasoning mode” → more compute, deeper thinking - Parity with Gemini and Claude long-context models - Better long-horizon tasks (can run for hours) - Improved memory across multi-step workflows [imag…
  • @steph_palazzolo Stephanie Palazzolo on x
    OpenAI's GPT-5.4 is coming, and it'll have an “extreme” reasoning mode. For more on the model, check out this morning's AI Agenda: https://www.theinformation.com/ ...
  • @scaling01 @scaling01 on x
    GPT-5.4 coming soon (as first leaked by humble self) - exceeding 1 million context window - featuring an extreme reasoning mode
  • @quinnypig Corey Quinn on x
    Like “oral bowel movement,” “extreme reasoning” is a phrase that shouldn't exist.