DeepSeek-R1
State-of-the-art open-weights reasoning model trained via large-scale reinforcement learning. Rivals OpenAI o1 in math, coding, and logical reasoning.
Preview
Problem
Proprietary reasoning models are expensive, closed-source, and introduce vendor lock-in for enterprise chain-of-thought workflows.
Solution
An open-weights reasoning LLM that uses pure RL (Reinforcement Learning) without supervised fine-tuning warm-up to achieve remarkable reasoning benchmarks at ultra-low inference cost.
Challenge
Managing lengthy chain-of-thought token generation while preventing reasoning drift and maintaining fast throughput.
Key Features
- Deep reasoning tokens (<think>)
- Open weights with MIT license
- Distilled models (1.5B to 70B)
- Exceptional math and coding score
Tech Choices
Target User
AI Researchers, Data Scientists, and Developers needing advanced logical reasoning.
Impact
"Disrupted the global AI industry by providing frontier-class reasoning performance at a fraction of standard proprietary pricing."
How to Use
Try Online
Visit chat.deepseek.com and enable 'DeepThink (R1)' mode for reasoning queries.
Run Locally
Run 'ollama run deepseek-r1:8b' or 'ollama run deepseek-r1:14b' on your local machine.
Integrate via API
Use the OpenAI-compatible API at 'https://api.deepseek.com' with model 'deepseek-reasoner'.
Quick Details
- Pricing
- Free
- Platforms
- Web, API, Local
- Updated
- 8/19/2026