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DeepSeek

Is R1 0528 out? Yes, since May 28, 2025

Yes. R1 0528 was released on May 28, 2025.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? R1 0528

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Lab
DeepSeek
Family
DeepSeek
Release date
Source
DeepSeek · Change Log

What changed

  • context 164k tokens · Context window of R1 0528. DeepSeek V3 0324 is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price +72 % · Prompt price compared with DeepSeek V3 0324, same tier in this family. Went from $0.290 / MTok to $0.500 / MTok. Lower is better.

About R1 0528

May 28th update to the original DeepSeek R1 Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...

Next DeepSeek model to watch

Questions

When was R1 0528 released?
R1 0528 was released on May 28, 2025.
Who makes R1 0528?
R1 0528 is made by DeepSeek.
What comes after R1 0528?
DeepSeek V3.1, released on August 21, 2025.