DeepSeekPremiumPremiumActive
DeepSeek: 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...
Specification
- Model ID
- deepseek/deepseek-r1-0528
- Modality
- Text >text
- Context
- 163.8K tokens
- Input
- $0.500/1M
- Output
- $2.15/1M
- Updated
- Sep 20, 2026
Scores
Capabilities
- Supports tool calling
- No vision support listed
- Supports long-context workflows
- Supports deeper reasoning tasks
Input and output
Accepts Text inputs. Returns Text outputs.
Supported parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
