gpt-5.6-luna open weights and deployment

Status: Unavailable. No official GPT-5.6 Luna weights or self-hosting package were available in the reviewed sources. The official delivery path is the hosted API.

Need to self-host? Open-weight alternatives: qwen3.8-27b.

License
Proprietary hosted model
Hardware note
Not applicable
Recommended runtime
ChinaAPI or the OpenAI API
Verified date
2026-09-14

Published model card

Parameter count
Not disclosed
Context window
1,050,000 tokens
Maximum output
128,000 tokens
Input/output modalities
Text and image input; text output

Official sources