R1 0528
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...
The figures
- Made by
- DeepSeek
- Model ID
- deepseek/deepseek-r1-0528
- Input
- $0.5 per million tokens
- Output
- $2.15 per million tokens
- Context window
- 164K tokens
- Longest answer
- 33K tokens
- Takes in
- text
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- No
- Open weights
- Yes
- Released
- 28 May 2025
Read on 3 Oct 2026.