GPT-5.6 Luna
by OpenAI
· GPT-5.6 family · released Jul 14, 2026
Closed
Active
One of OpenAI's mid-2026 GPT-5.6 variants ('Luna'), cited in startup-focused coverage of new 2026 model releases.
No pricing recorded for this model yet.
Specifications
| Model type | Multimodal |
|---|---|
| Architecture | Unknown |
| Parameters | Not disclosed |
| Context window | Not disclosed tokens |
| Max output | Not disclosed tokens |
| Knowledge cutoff | Not disclosed |
| License | Proprietary |
| Modalities | Text input Image input Text output |
| Tags | Coding Reasoning Tool use |
| End of life | Not disclosed |
| Last verified | Not disclosed |