GPT-5.4

2 articles

Mar 24, 2026

Million-Token Reasoning: Inside the GPT-5.4 Architecture for Enterprise Memory

OpenAI has released GPT-5.4, featuring an unprecedented 1-million-token context window and a new reasoning kernel optimized for long-running autonomous workflows.

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Mar 17, 2026

GPT-5.4 Surpasses Human Baseline on OSWorld: A New Era of Agentic AI

OpenAI's latest frontier model, GPT-5.4, has achieved a historic milestone by outperforming human experts on the OSWorld benchmark for autonomous software interaction.

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