OpenAI removed GPT-5.6 Sol, Terra, and Luna selection guidance from Models page

Do not route builds from the removed naming and workload guidance without a current replacement.

The removed copy called GPT-5.6 Sol the flagship model for complex reasoning and coding.

• Aug 24, 2026OpenAI Models page changed, but the provided diff is truncated.
• Aug 24, 2026Anthropic removed model-card guidance for Claude Fable 5, Mythos 5, and current model access.
• Aug 24, 2026Public model and pricing references shifted while agent and voice APIs hardened.

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