Model launches

OpenAI introduces the GPT-5.6 family models Sol, Terra and Luna

OpenAI is introducing three members of the GPT-5.6 family — Sol, Terra and Luna — which are now being gradually made available in ChatGPT, Codex and via the API.

OpenAI introduces the GPT-5.6 family models Sol, Terra and Luna

OpenAI is introducing three members of the GPT-5.6 family — Sol, Terra and Luna — which are now being gradually made available in ChatGPT, Codex and via the API. This rollout provides developers and users with broader access to the new model versions, which may affect the capabilities and integrations of applications.