AI
Published 2026-07-09
Verified 2026-09-19
OpenAI GPT-5.6 family: Sol, Terra, and Luna
OpenAI launched GPT-5.6 for general availability on 9 July 2026: Sol (flagship), Terra (balanced), and Luna (cost-efficient), across ChatGPT, Codex, and the API. The company describes layered safeguards for biology and cybersecurity, with extra defensive capability behind a verified Trusted Access programme. A 21 August 2026 update on the same page cut GPT-5.6 Sol API and credit pricing by over 20 percent for three months.
- Product
- GPT-5.6
- Versions
- Sol, Terra, Luna
- Exploited in Australia?
- unknown
Primary: OpenAI