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 in an inference pass. Fully open-source model.

• Context window: 163,840 tokens
• Input: text
• Output: text
• Pricing: $0.5/M input tokens, $2.15/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.