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Kimi K3.1 Pro 以 1692 分登上 Code Arena: WebDev 第 8 名，比 Kimi K3 (Max) 跃升 9 位，使 Kimi AI 回到实验室总榜前 4。该模型以 70% 更低成本追平 Claude Opus-5 (Max)，定价 $2/$10 每百万输入/输出 tokens，各分类排名均较上代提升；官方称开放权重即将发布，届时有望超越 DeepSeek-v4.1-Flash 成为该榜第一的开源模型。
正文
KIMI AI🔥: Kimi K3.1 Pro landed on the 8th spot on WebDev Arena, with Kimi AI moving to the 4th place among AI labs overall.
That a big move 👀
Big news: @Kimi_Moonshot is back in the top-4 labs in the Code Arena: WebDev with the release of Kimi K3.1 Pro! This model just landed #8 in the Code Arena: WebDev with 1692 pts, matching Claude Opus-5 (Max) at 70% lower cost. This is a 9 place jump (+37 points) from Kimi K3 (Max) at #17 with 1655 pts. Kimi K3.1 Pro improved from Kimi K3 across all categories. Highlights: - #7 in Brand & Marketing (up from #9) - #9 in Simulations (up from #20) Cost efficiency is another upgrade. Priced at $2/$10 per million input/output tokens, Kimi K3.1 Pro (Max) has a median cost per task of $1.23 (29% less than Kimi K3). See its placement compared to the Pareto frontier in thread. With open weights coming soon, Kimi K3.1 Pro would be the new #1 open model in the Code Arena: WebDev, overtaking DeepSeek-v4.1-Flash. Stay tuned! See @Kimi_Moonshot’s ranking by lab, and 3D generations from Kimi K3.1 Pro below in thread. Huge congrats to the @Kimi_Moonshot team on this release!在 X 查看被引用的帖子
来源：🚨 AI News | TestingCatalog · x.com