GPT-5.6 Series Rollout Begins

OpenAI · x · 2026-07-10

OpenAI announced that the GPT-5.6 series models—Sol, Terra, and Luna—are now gradually rolling out across ChatGPT, Codex, and the API.

Related event: OpenAI Launches GPT-5.6 Series: Multi-Agent and Cost-Efficiency(119 posts)→

Original post →

More from Models

Models channel →