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DeepSeek-V4.1-Flash-20261017 ranks top open model in Arena Code WebDev

1 article1 sourcesince Oct 18Last article 1h ago ·

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Arena says DeepSeek-V4.1-Flash-20261017 (Max) is now the #1 open model in Code Arena WebDev, ahead of Kimi K3 (Max).

The model ranks #12 overall with 1670 points, 52 points above the earlier DeepSeek-V4.1-Flash-20260910. Arena lists its price at $0.3 per million input tokens and $1.2 per million output tokens. Arena also says the model ranks ahead of Claude Opus 5 (High) and within about 10 points of GPT-6 Sol (Max).

Written by AI from the articles below · updated Oct 18, 3:09 PM ET

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Latest developmentOct 18, 2:56 PM ET
DeepSeek-V4.1-Flash-20261017 becomes top open model in Code Arena WebDev

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Oct 18
  1. Arena.aiOfficial
    DeepSeek-V4.1-Flash-20261017 becomes top open model in Code Arena WebDev

    AIArena says DeepSeek-V4.1-Flash-20261017 (Max) is now the #1 open model in Code Arena WebDev, ahead of Kimi K3 (Max). It ranks #12 overall with 1670 points, 52 points above the previous DeepSeek-V4.1-Flash-20260910, and is priced at $0.3 per million input tokens and $1.2 per million output tokens.

    Image from @arena's post

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