{"id":"deepseek/deepseek-r1","name":"R1","owned_by":"deepseek","description":"DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....","context_window":64000,"max_tokens":16000,"type":"language","tags":["reasoning","tool-use"],"released":1737381095,"modalities":{"input":["text"],"output":["text"]},"supported_parameters":["frequency_penalty","include_reasoning","max_tokens","presence_penalty","reasoning","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_p"],"pricing":{"input":"0.0000007","output":"0.0000025"},"legal":[]}