About R1 0528 (free)
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.
Specifications
- Provider
- DeepSeek
- Context Length
- 163,840 tokens
- Input Types
- text
- Output Types
- text
- Category
- DeepSeek
- Added
- 5/28/2025
Frequently Asked Questions
Common questions about R1 0528 (free)