Model release · OpenAI
GPT-6 Luna
- Model released
- Review updated
Designed for high-volume, low-cost tasks. API pricing is $0.10 for input and $0.50 for output per million tokens. Rolling out to paid Work/Codex plans; Free/Go users can try it on desktop. Not yet available in regular Chat.
Details
Efficiency/high-volume tier; ~50% vs GPT-5.6 Luna ($0.20/$1.20→$0.10/$0.50; cached $0.01; cache writes $0.125); knowledge cutoff 2026-05-18
Availability
API gpt-6-luna; ChatGPT Work + Codex for Plus/Pro/Business/Enterprise/Edu (gradual); not yet in Chat; Free/Go can try Luna in desktop app