gpt-6-luna
GPT‑6 Luna is OpenAI’s efficient GPT‑6 reasoning model, designed for high-volume workloads where responsiveness and cost efficiency matter.
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About this model
GPT-6 Luna is OpenAI's efficient GPT-6 model designed for high-volume workloads. It succeeds GPT-5.6 Luna with updated intelligence and improvements in writing quality and computer use. GPT-6 Luna supports text and image inputs, text outputs, and up to 1,050,000 context tokens.
Key model capabilities
- Reasoning – Supports reasoning effort controls, with configuration potentially varying across API, ChatGPT, Work, and Codex surfaces.
- Writing Quality – Provides improved writing quality compared with GPT-5.6 Luna.
- Computer Use – Delivers improved computer-use capabilities compared with GPT-5.6 Luna.
- Long-Context Understanding – Supports up to 1,050,000 context tokens for processing large amounts of information.
- Multimodal Input – Supports text and image input with text output.
- Tool-Enabled Workflows – Launch capabilities are supported across API, Codex, and Work, according to the provider's capability guidance.
- Updated Intelligence – Incorporates updated intelligence from the GPT-6 generation.
Key use cases
- High-volume reasoning and knowledge-work tasks
- Writing, summarization, and content generation
- Long-context document and information analysis
- Computer-use scenarios
- Tool-enabled workflows
- Multimodal analysis using text and image inputs
- Coding and developer workflows through supported surfaces
Out of scope use cases
The provider has not supplied this information.
Quick facts
PublisherOpenAI
AuthorOpenAI
TypeChat completion, Responses
LifecycleGenerally available (GA)
Hosted onAzure
Input typetext, image
Output typetext
Context window1050k
Token limits128k output
PricingView pricing