OpenAI: GPT-5.6 Luna
Coming soonGPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for its price tier.
- By:
- OpenAI
- Input:
- Output:
- Context length:
- 1.05M
- Max output:
- 128K
- Published:
- 2026-07-10
This model has not been released yet — pricing and providers will appear once it is live.