OpenAI’s GPT-5.6 Luna, Terra, and Sol Variants Bring 1.05M-Token Context to Hosted Frontier Workloads
This week’s OpenRouter-listed GPT-5.6 releases are all about scale: five OpenAI hosted variants with 1,050,000-token context windows for long-form reasoning, coding, and productivity tasks. The Luna, Terra, and Sol family naming suggests differentiated deployment profiles, but the public specs emphasize a shared headline capability: million-token context in closed-weight text models.


