AI model · DeepSeek
R1 0528
Model ID: deepseek/deepseek-r1-0528
- Input
- $0.50 per 1M tokens
- Output
- $2.15 per 1M tokens
- Context
- 164K tokens at once
- Max output
- 33K tokens per reply
- Released
- 28 May 2025 DeepSeek
What it can do
- YesReasoning
- YesTool calling
- NoImage input
- YesOpen weights
- NoFree to use
Takes text; gives text.
How its listing describes it
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...
Sources
- DeepSeek: R1 0528 on OpenRouter — read 2 Oct 2026