2026-09-22 · OpenAI
Introducing GPT-6 Sol and Luna
“Meet GPT-6 Sol and Luna, two models that bring frontier intelligence to everyday work with different balances of capability and cost.”
Models and APIs
Announcements
2026-09-22 · OpenAI
Better prompt caching for GPT-6
“Learn how GPT-6 improves prompt caching with higher cache hit rates, new diagnostics, explicit breakpoints, and controls that reduce latency and costs.”