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DeepSeek-R1

DeepSeek · DeepSeek line · flagship · open weights

Released January 20, 2025Replaced by DeepSeek-V3-0324

DeepSeek-R1 was released by DeepSeek on January 20, 2025, as an open-weights flagship model in the DeepSeek line.

  • Release 8 of 17 in the DeepSeek line.
  • Came 25 days after DeepSeek-V3, released Dec 26, 2024.
  • Replaced by DeepSeek-V3-0324 on March 24, 2025, 63 days later.
  • These days the line ships a new model about every 63 days.

What changed

DeepSeek's reasoning model, trained from the DeepSeek-V3 base with large-scale reinforcement learning and released under the MIT license, roughly doubles V3's AIME 2024 math score at about twice V3's API price.

Compared with DeepSeek-V3 · the model it is built on

Solves 8 in 10 problems from a hard US high-school math contest

AIME 2024 — hard problems from a US high-school math contest

79.8%

▲ up from 39.2% for DeepSeek-V3 · +40.6 points

Costs developers about twice as much as DeepSeek-V3

API price per 1M tokens — input (cache miss) / output

$0.55 / $2.19

about double V3's $0.27 / $1.10, its list price from Feb 8, 2025

Sources: DeepSeek · Hugging Face · DeepSeek

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Where the DeepSeek line stands

DeepSeek-V4-Pro-0813 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

DeepSeek

DeepSeek · flagship line · open weights

Latest: DeepSeek-V4-Pro-0813 · Aug 13, 2026

AnnouncedDeepSeek-V4.1-Pro · announced Sep 10, 2026, 44 days ago

“all deepseek-v4-pro requests will route to V4.1-Flash at V4.1-Flash rates. This will continue until V4.1-Pro launches.” — DeepSeek, Sep 10, 2026 · DeepSeek API docs

The general-availability release of V4-Pro scores 87.9% on Terminal Bench 2.1, up from 72.1% for the April preview in DeepSeek's tests, and keeps the MIT license.

What changed in DeepSeek-V4-Pro-0813 →
Days since last release
72
days
Usual gap
63
days
Recent gaps
DeepSeek-V4-Pro-0813 · Aug 2026
111
DeepSeek-V4 · Apr 2026
144
DeepSeek-V3.2-Speciale · Dec 2025
63
DeepSeek-V3.2-Exp · Sep 2025
7

Every DeepSeek release

Newest first. See the full line with every card →

  1. Aug 13, 2026DeepSeek-V4-Pro-0813
  2. Apr 24, 2026DeepSeek-V4
  3. Dec 1, 2025DeepSeek-V3.2
  4. Dec 1, 2025DeepSeek-V3.2-Speciale
  5. Sep 29, 2025DeepSeek-V3.2-Exp
  6. Sep 22, 2025DeepSeek-V3.1-Terminus
  7. Aug 19, 2025DeepSeek-V3.1
  8. May 28, 2025DeepSeek-R1-0528
  9. Mar 24, 2025DeepSeek-V3-0324
  10. Jan 20, 2025DeepSeek-R1 · this page
  11. Dec 26, 2024DeepSeek-V3
  12. Dec 10, 2024DeepSeek-V2.5-1210
  13. Nov 20, 2024DeepSeek-R1-Lite-Preview
  14. Sep 5, 2024DeepSeek-V2.5
  15. Jun 28, 2024DeepSeek-V2-0628
  16. May 6, 2024DeepSeek-V2
  17. Nov 29, 2023DeepSeek LLM 67B