DeepSeek-R1
DeepSeek's reasoning model competing with OpenAI o1, released under MIT license
DeepSeek-R1
DeepSeek • January 2025
Training Data
Up to December 2024
DeepSeek-R1
January 2025
Parameters
671 billion (37B active)
Training Method
Advanced Reinforcement Learning
Context Window
128,000 tokens
Knowledge Cutoff
December 2024
Key Features
Open Source (MIT) • Advanced Reasoning • Cost Effective • Step-by-step Thinking
Capabilities
Reasoning: Outstanding
Math: Outstanding
Cost: Excellent
What's New in This Version
Competitive with o1 at fraction of the cost, open-sourced under MIT license
DeepSeek's reasoning model competing with OpenAI o1, released under MIT license
What's New in This Version
Competitive with o1 at fraction of the cost, open-sourced under MIT license
Technical Specifications
Key Features
Capabilities
Other DeepSeek Models
Explore more models from DeepSeek
DeepSeek-V4-Pro
DeepSeek's frontier MoE flagship closing the gap with leading proprietary models on reasoning and agentic coding
DeepSeek-V4-Flash
DeepSeek's smaller, fast variant of V4 — same architecture at a fraction of the cost and latency
DeepSeek-V3.2
DeepSeek's latest flagship model matching GPT-5 performance with integrated tool-use thinking
