R1
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.
Input
Output
Context
164K
Max Output
164K
Parameters
671B
Technical Specifications
Model TypeChat
Context Window164K
Max Output Tokens164K
Parameters671B
Training Cutoff—
Licensemit
Capabilities
Input Modalities
text
Output Modalities
text
Features
code_generationmathreasoningstreamingtext_generation
Benchmarks
Chatbot Arena
#31
Rank (Text)
+4/-4
arena text ci 95
1372
Arena Score (Text)
19,430
Votes (Text)
Artificial Analysis
9.3%
HLE
68.3%
AIME
70.8%
GPQA
35.7%
SciCode
96.6%
MATH 500
84.4%
MMLU Pro
68.0
Math
15.9
Coding
61.7%
LiveCodeBench
18.8
Intelligence
Resources & Links
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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