DeepSeek-V4.1-Flash tops Agent and WebDev Arena as #1 open model
arena · x · 2026-10-21
LMArena reports that DeepSeek's DeepSeek-V4.1-Flash-20261017 (Max) has landed as the #1 open model in both the Agent Arena and the Code Arena: WebDev leaderboard. The thread also showcases 3D world generations built with the model by Peter Gostev, with full ranking details in the original thread.
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