GPT-5.6
6 models · OpenAI
OpenAI's 2026 flagship generation, split into three tiers: Terra (largest/most capable), Sol (balanced mid-tier) and Luna (fast/light). Each runs at selectable reasoning effort from non-reasoning up to max.
6 models · OpenAI
OpenAI's 2026 flagship generation, split into three tiers: Terra (largest/most capable), Sol (balanced mid-tier) and Luna (fast/light). Each runs at selectable reasoning effort from non-reasoning up to max.