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SwapDeepSeek V4 Pro 0813
DeepSeek's V4 Pro 0813 is a very large official release, free to download under the MIT license, aimed at developers building tools that carry out multistep tasks.
Release page →DeepSeek V4 Flash 0731
DeepSeek's updated free-to-download model that is better at completing agent-style tasks and coding, free for anyone to use under the MIT license.
Release page →The basics
Released
What it does
Knowledge cutoff
The latest events it learned about
Download
Price and limits, for developers
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How they score
Combined test score
Epoch Capabilities Index · Epoch AI
Too close to call: DeepSeek V4 Pro 0813 and DeepSeek V4 Flash 0731 are within the margin of error.
Chat answers, by people's votes
LMArena text, adjusted for style · LMArena
In blind votes, people pick DeepSeek V4 Pro 0813 over DeepSeek V4 Flash 0731 about 54% of the time.
Building apps, by people's votes
LMArena WebDev · LMArena
Neck and neck: in blind votes, people pick each about as often as the other.
Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.
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Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.