OpenAI GPT-5.6 Sol Goes Public — Launched July 9 After US Government Approval
OpenAI just flipped the switch on its most capable model yet. GPT-5.6 Sol became generally available on July 9, 2026 — a moment months in the making, following a limited preview for trusted partners and an unusual coordination process with the US government before the broader launch. This isn’t just another version bump. GPT-5.6 Sol represents a significant generational leap in agentic AI capability, with performance improvements across coding, scientific reasoning, and cybersecurity that place it firmly at the top of current benchmarks. ...