GPT-6 Luna
GPT-6 Luna is OpenAI's efficient reasoning model for focused, high-volume tasks. It accepts text and images, generates text, and supports a 1,050,000-token context window with up to 128,000 output tokens. Configurable reasoning effort, structured outputs, prompt caching, and Responses API tools support cost-sensitive applications, coding tasks, and automated workflows.
About
GPT-6 Luna is OpenAI's efficient reasoning model for focused, high-volume tasks. It accepts text and images, generates text, and supports a 1,050,000-token context window with up to 128,000 output tokens. Configurable reasoning effort, structured outputs, prompt caching, and Responses API tools support cost-sensitive applications, coding tasks, and automated workflows.
Use Cases
- Model hosting & inference
- API integration for AI apps
Video Tutorials
Breaking News
X：Arena (@arena) · 9/28/2026
GPT-6 Luna (Max) by @OpenAI is #23 in Agent Arena with +1.6% net improvement across 8K real-world agentic sessions from our global commun...X：Artificial Analysis (@ArtificialAnlys) · 9/23/2026
The Intelligence Index vs Cost per Task Pareto frontier shifted this week with the releases of MiMo-...Simon Willison 博客 · 9/22/2026
Claude Opus 5.5， GPT-6 Sol， GPT-6 Luna， and a new price warX：Tibo (@thsottiaux) · 9/22/2026
Maybe our cutest launch so far. But still packing the biggest punch.X：Arena (@arena) · 9/22/2026
Scores for GPT-6 Sol and GPT-6 Luna by @OpenAI are coming soon. Head to Arena now to test them. Your...