OpenAI: GPT-6 Luna (batch) (openai/gpt-6-luna:batch) costs $0.05 per 1M prompt tokens and $0.25 per 1M completion tokens, has a 1,050,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $0.05 / 1M tokens
- Completion price
- $0.25 / 1M tokens
- Context
- 1,050,000 tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Tokenizer
- GPT
- Instruct type
- —
- Knowledge cutoff
- —
- Hugging Face
- —
Last price change: 2026-09-23
GPT-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...
Price history
No price changes recorded