GPT-6 Luna
GPT-6 Luna sits in the frontier tier, built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via OpenAI. 1,050,000-token context. Efficient pricing.
GPT-6 Luna is a multimodal AI model from OpenAI. It costs $0.100 per million input tokens and $0.500 per million output tokens (blended $0.220/M), with a 1,050,000-token context window.
- Strong general reasoning
- Tool use & function calling
- Long-form writing
- Production-grade reliability
- Multimodal: handles images alongside text
- Production assistants
- Long-document analysis
- Multi-step agent workflows
- Engineering copilots
Benchmarks
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See all 28 →Frequently asked questions
How much does GPT-6 Luna cost?
GPT-6 Luna costs $0.100 per million input tokens and $0.500 per million output tokens, for a blended reference rate of $0.220 per million tokens.
What is GPT-6 Luna's context window?
GPT-6 Luna supports up to 1,050,000 tokens of context in a single request.
What is GPT-6 Luna best for?
GPT-6 Luna is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
Who makes GPT-6 Luna?
GPT-6 Luna is developed and served by OpenAI.