DeepSeek R1 — AI Model Review & Pricing
Specialized reasoning model from DeepSeek. Uses extended chain-of-thought for exceptional performance on math, logic, and complex problem-solving.
Specifications
| Attribute | Value |
|---|---|
| Lab | DeepSeek |
| Tags | Reasoning |
| Release Date | 2025-08 |
| Context Window | 128,000 tokens |
| Input Price / 1M | $0.55 |
| Output Price / 1M | $2.19 |
| Input Modalities | Text |
| Output Modalities | Text |
Strengths
- Exceptional math reasoning
- Strong logical deduction
- Open-weight available
- Competitive with o-series models
Weaknesses
- Narrower general knowledge
- Very slow inference (chain-of-thought)
- Over-thinks simple questions
Best For
- Advanced mathematics
- Complex logic puzzles
- Scientific reasoning
- Competitive programming
In Depth: DeepSeek R1
Summary
DeepSeek R1 is an AI model from DeepSeek ranked #35 of 124 on the LMRank leaderboard.
Released 2025-08. It currently appears in the Overall category on LMRank and 1 other category. It supports Text input and produces Text output, with a context window of 128,000 tokens. Input pricing is $0.55 per 1M tokens and output is $2.19 per 1M tokens on OpenRouter.