OpenAI launches GPT-5.4, its most capable frontier model
OpenAI has launched GPT-5.4, a frontier model aimed at professional workloads. The model attains or exceeds human-level performance on the GDPval benchmark across 44 occupations, achieving an 83% success rate, up from 70.9% for GPT-5.2. It also introduces native computer interaction, reaching 75% on the OSWorld desktop navigation benchmark, surpassing the 72.4% human baseline. A new tool-search feature reduces token usage by 47% in multi-tool workflows and the system supports up to one million tokens of context.
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