OpenAI’s GPT-5.4 doubles down on safety as competition heats up
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OpenAI announced the gradual release of GPT-5.4—positioned as a flagship model with improved reasoning, coding, tool handling, larger context windows, and native computer-use capabilities—available across ChatGPT tiers and via API; the announcement highlights better factuality and reduced hallucinations and describes strengthened safety protections, monitoring, and research on model reasoning.
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