# DeepSeek R1 Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> DeepSeek R1 by DeepSeek: benchmarks, pricing, context window, strengths and use cases. Data from official benchmark sources.

- Canonical page: https://alhertech.com/en/ai-comparison/deepseek-r1/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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Last updated: August 10, 2026

## Specs

- **Vendor**: DeepSeek
- **Released**: January 20, 2025
- **Context window**: 128K tokens
- **Input**: $0.7 / M tokens
- **Output**: $2.5 / M tokens

## Benchmarks

- **mmlu**: 90.8
- **gpqa**: 71.5
- **humanEval**: 90.2
- **arenaElo**: 1389
- **sweBench**: 49.2
- **sweBenchPro**: 38
- **liveCodeBench**: 65
- **aiderPolyglot**: 57
- **terminalBench**: 30
- **mmluPro**: 84
- **hle**: 9.4
- **aime**: 79.8
- **math500**: 97.3

## Strengths

- Frontier reasoning at open-weight price
- Exceptional math and STEM benchmarks
- Can be self-hosted

## Weaknesses

- No native multimodal support
- Tool use less polished than OpenAI/Anthropic

## Best for

- Math, science and engineering problem solving
- Cost-sensitive reasoning workloads
- Research teams needing local inference

[Compare with other AI models](https://alhertech.com/en/ai-comparison/)