DeepSeek-V4.1-Flash Tops Arena's Open-Source Model Leaderboard
Arena announced that DeepSeek-V4.1-Flash-20261017 (Max) has entered the Arena, ranking first among open-source models in both the Agent Arena and Code Arena: WebDev leaderboards. Arena also mentioned that the 3D world generated by this model, as well as more detailed ranking information, can be viewed in the related post.
Why read this
AI score 64
The Arena leaderboard shows that this model simultaneously ranks first among open-source models in two arenas, which can be used to observe where open-source models stand on agents and front-end coding.
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DeepSeek-V4.1-Flash-20261017 (Max) by @deepseek_ai landed in the Arena as the #1 open model in both the Agent Arena and the Code Arena: WebDev!
See 3D world generations from this model by @petergostev, and find more details on its ranking in thread.