R1 0528

deepseek Reasoning Tool Calling Open Weights Structured Output

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...

Providers 1

Released May 28, 2025

Input Modalities text

Output Modalities text

Tarsk Use coding

Available Providers (1)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
OpenRouter	`deepseek/deepseek-r1-0528`	$0.50/MTok	$2.15/MTok	163.8K	32.8K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output