GPT-5.6 Luna Pro
OpenAI · openai/gpt-5.6-luna-pro
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
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Context
Max context: 1050000
Max output: 128000
Max output: 128000
Pricing
Input / 1M: 0.10
Output / 1M: 0.60
Blend / 1M: 0.35
Output / 1M: 0.60
Blend / 1M: 0.35
Quality
Quality index: —
Provider
Provider: OpenAI
Moderated: yes
Moderated: yes