OpenAI launches GPT-5.6 family with Sol, Terra, Luna

Three-tiered model family: Sol (flagship, $5/$30 per 1M tokens), Terra (balanced, $2.50/$15), Luna (fast/cheap). Released as restricted preview at U.S. government request, rolling out in ChatGPT, Codex, and API; already available in Cursor and Devin.

Featured · Sam Altman