In a 48-hour whirlwind, President Trump ordered every federal agency to ditch Anthropic's Claude chatbot, with Defense ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

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OpenAI teases “5.4” as reports point to a 1M+ token context window and “extreme reasoning,” amid scrutiny over its Pentagon deal.

GPT-5.4 expands the context window to 1 million tokens; the larger limit supports longer coding and research sessions.