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. Fully open-source model & [technical report](https://api-docs.deepseek.com/news/news250120). MIT licensed: Distill & commercialize freely!
Input
Output
Context
164K
Max Output
164K
Parameters
—
Input Modalities
Output Modalities
Data sourced from official provider APIs and documentation
Last updated: Mar 16, 2026
Explore models, compare pricing and benchmarks, and right-size your infrastructure — all in one place.