AI Model
GPT 5.4
byOpenAI
Released on March 6, 2026
Release Summary
OpenAI's most capable frontier model with 1M token context (Codex/API), native computer-use, and top benchmarks: SWE-Bench Pro 57.7%, OSWorld-Verified 75% (beats human 72.4%), BrowseComp 82.7%, GDPval 83%, Toolathlon 54.6%. More token-efficient and faster reasoning than 5.2.
Timeline
March 6, 2026
GPT-5.4 released
OpenAI releases GPT-5.4 with 1M context, native computer-use, and leading performance on agentic and knowledge-work benchmarks.