{"id":"openai/gpt-5.6-luna-pro","name":"GPT-5.6 Luna Pro","owned_by":"openai","description":"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.\n\nLearn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode","context_window":1050000,"max_tokens":128000,"type":"language","tags":["reasoning","tool-use","vision"],"released":1783590867,"modalities":{"input":["file","image","text"],"output":["text"]},"supported_parameters":["include_reasoning","max_completion_tokens","max_tokens","reasoning","reasoning_effort","response_format","seed","structured_outputs","tool_choice","tools"],"pricing":{"input":"0.0000002","output":"0.0000012","input_cache_read":"0.00000002","input_cache_write":"0.00000025"},"legal":[]}