GPT-6 Luna (batch)
openai/gpt-6-luna:batchGPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...
$0.050Input, per million tokens
$0.25Output, per million tokens
1.05MContext window
128KLongest answer
1.05M tokens of context — about 787,500 words, on a scale that ends at 2M.
What it can do
- Reasoning
- Vision
- Tool use
- Takes file
- Takes image
- Takes text
- Gives text
Released 22 Sept 2026 · checked 3 Oct 2026.
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