GPT-5.6 Explained: What Sol, Terra & Luna Do
GPT-5.6 Is Here: What Sol, Terra, and Luna Change for You OpenAI just split its smartest system into three and most people have no idea which one they’re actually using. On July 9, 2026, GPT-5.6 went live in three tiers with unusual names: Sol, Terra, and Luna arriving right after its unusually limited early rollout. If…










