# GPT Luna models

GPT Luna has 2 versions on record. The first released was GPT-5.6 Luna on 9 Jul 2026, the latest GPT-6 Luna on 22 Sep 2026.

- Canonical: https://alexgetman.com/models/openai/families/gpt-luna/

## Models

- [GPT-6 Luna](https://alexgetman.com/models/openai/gpt-6-luna/): 1M · $0.10 / $0.50
- [GPT-5.6 Luna](https://alexgetman.com/models/openai/gpt-5-6-luna/): 1M · $0.20 / $1.20