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DeepSeekOpen-weight·164K context·— params

R1 0528deepseek/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...

Pricing across providers

No current verified API pricing is listed. See the official model documentation for availability and billing.

Capabilities

Technical specs

Context
164K
Max output
33K
Parameters
—
Release
—
Training cutoff
—
License
—
Hugging Face →

Similar models

Compare with

  • R1 0528 vs DeepSeek V3
    Comparison planned — not yet published
  • R1 0528 vs DeepSeek V3 0324
    Comparison planned — not yet published
  • R1 0528 vs DeepSeek V3.1
    Comparison planned — not yet published

Frequently asked

How much does R1 0528 cost?+
No current verified API pricing is listed. This does not mean the model is free or that a hosted API is currently available. Check the official model documentation below.
How do I access R1 0528 from outside China?+
Availability, account verification and payment methods vary by provider and region. Check the official documentation and the selected provider's access requirements before integrating. A directory listing does not guarantee global API access.
Is R1 0528 open-source? Can I fine-tune it?+
R1 0528 has published weights. License: see the official repository. Review the linked repository and license for deployment, fine-tuning and commercial-use conditions.
What's the maximum context window for R1 0528?+
The model supports up to 163,840 tokens of context (input + output). Some hosted versions may impose a smaller limit — check the "Context" column in the pricing matrix for each provider.