Based on 4 reviews
DeepSeek's dedicated reasoning model featuring transparent chain-of-thought that shows its work step by step. Excels at math, science, and complex multi-step reasoning tasks with verifiable logic chains. Open-weight and available for inspection, making it a favorite for research and education.
Released
January 20, 2025
Parameters
671B (MoE, 37B active)
Context
128K
Pricing
Open Source
Last updated: March 15, 2026
Benchmark scores may vary based on evaluation methodology and conditions.
The chain-of-thought reasoning is transparent and helpful. For complex logic problems it outperforms most competitors. The verbose thinking tokens can slow things down though.
DeepSeek-R1's reasoning capabilities are genuinely impressive. Watching it think through math problems step by step gives me confidence in its answers. A strong contender for reasoning tasks.
R1 shines on complex analytical tasks. The step-by-step reasoning produces more reliable results than models that just output answers. Highly recommended for research.
Excellent reasoning model. For science and math-heavy tasks, R1 is my go-to. The open-source nature means I can inspect and understand its reasoning chains.