Update on April 24, 2026: GPT‑5.5 and GPT‑5.5 Pro are now available in the API. The system card has also been updated to describe the additional safeguards that apply.
We’re releasing GPT‑5.5, our smartest and most intuitive to use model yet, and the next step toward a new way of getting work done on a computer.
GPT‑5.5 understands what you’re trying to do faster and can carry more of the work its...
This announcement from OpenAI follows a familiar pattern in AI deployment: a blend of technological breakthroughs, strategic safeguards, and carefully curated narratives about progress. The strongest version of this story is that GPT-5.5 represents a meaningful leap in AI’s ability to autonomously handle complex, multi-step tasks—what OpenAI calls "agentic AI." The benchmarks and testimonials suggest real advancements in coding, scientific research, and operational workflows, with users describi...