R1 0528

R1 0528

DeepSeek

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...

What is 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...

Specifications

  • Developer: DeepSeek
  • Context window: 163.8K tokens
  • Max output: 32.8K tokens
  • Input modalities: text
  • Output modalities: text
  • Input price: $0.5000 per 1M tokens
  • Output price: $2.15 per 1M tokens
  • Knowledge cutoff: 2025-03-31
  • Supported parameters: frequency_penalty, include_reasoning, logit_bias, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Use R1 0528 with PromptLayer

PromptLayer lets teams manage, evaluate, and observe prompts that run on R1 0528 alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.

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