OpenAI ships GPT-5.6 and ChatGPT Work
OpenAI took GPT-5.6 general — three sizes (Luna, Terra, Sol, smallest to largest) — and launched ChatGPT Work, an agentic mode that runs jobs in the cloud for hours and can touch local files and desktop apps with permission. Sol lands just under Fable on aggregate intelligence benchmarks but beats it on several agentic-coding ones.