D
DeepSeek R1 0528
24
May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance...
Open Sourcepaid
About
May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass. Fully open-source model.
Details
| Modality | text |
| Context Window | 163.8K tokens |
| Release Date | May 28, 2025 |
| API Available | Yes |
| Hosting | self-hosted, api |
| Output Speed | 95 tokens/sec |
| Time to First Token | 1800ms |
| Quality Index | 87/100 |
| Coding Index | 79/100 |
| Reasoning Index | 94/100 |
Benchmarks
Chatbot Arena ELO
1440/1500
MMLU-Pro
85.5/100
SWE-bench Verified
57.6/100
MATH-500
96.3/100
GPQA Diamond
81/100
HumanEval
93.2/100
AIME 2025
83/100
Resources
Tags
reasoningopen-weightapichat
Quick Info
- Organization
- DeepSeek
- Pricing
- Free (self-hosted) / $0.40/1M input tokens (API)
- Free Tier
- Yes
- Popularity
- 53/100
- Updated
- Feb 20, 2026
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