GPT-5.4 Review 2026: OpenAI’s Most Capable Model Beats Humans at Knowledge Work (83% GDPval)
OpenAI dropped GPT-5.4 today, March 5, 2026 — and it immediately crossed a threshold no general-purpose AI model has crossed before: 75.0% on OSWorld-Verified, beating the 72.4% human baseline at real computer operation. That’s not a marketing bullet point. It’s the benchmark equivalent of a model sitting down at someone’s keyboard and outperforming them. […]









