OpenAI has launched its new ChatGPT 5.4 with Extreme Reasoning mode for long-duration task focus. As well as a 1M-token ...
OpenAI teases “5.4” as reports point to a 1M+ token context window and “extreme reasoning,” amid scrutiny over its Pentagon deal.
OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...
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