OpenAI removed model catalog text naming GPT-5.6 Sol, Terra, and Luna.

Treat prior references to those model names on this page as no longer live documentation.

The removed copy also described Sol as the flagship choice for complex reasoning and coding.

• Aug 11, 2026ChatGPT can now show restaurant reservation times from OpenTable, Resy, and Yelp.
• Aug 11, 2026Claude Opus 5 launched with 1M context, 128k max output, and thinking on by default.
• Aug 11, 2026Anthropic removed modelcard text covering Claude Fable 5 and Claude Mythos 5.

This is the world we build in. It moves this fast. We move with it.