gpt-6-luna open weights and deployment
Status: Unavailable. OpenAI publishes no GPT-6 Luna weights. The model is served through the OpenAI API (Responses, Chat Completions and Batch) and on Amazon Bedrock in us-east-1.
Need to self-host? Open-weight alternatives: deepseek-flash, mimo-v2.6-flash.
- License
- Proprietary hosted model
- Hardware note
- Not applicable
- Recommended runtime
- ChinaAPI or the OpenAI API
- Verified date
- 2026-09-24
Published model card
- Parameter count
- Not disclosed
- Context window
- 1,050,000 tokens (up to 922,000 input)
- Maximum output
- 128,000 tokens
- Input/output modalities
- Text and image input; text output
Official sources
- GPT-6 Luna model documentation — OpenAI, retrieved 2026-09-24
- OpenAI API changelog — OpenAI, retrieved 2026-09-24
- GPT-6 Astra System Card (appendix on GPT-6 Sol and GPT-6 Luna) — OpenAI, retrieved 2026-09-24