DeepSeek V4.1 Flash, the new version, tops the Agent Arena open-source model leaderboard and ranks 11th overall.

PANews October 20 news: The AI model evaluation platform Arena announced that DeepSeek-V4.1-Flash-20261017 (Max) has ranked first among open-source models on Agent Arena and 11th on the overall leaderboard. Based on approximately 7,500 real usage sessions, the model's comprehensive net improvement relative to the average model is about 5.1%, and the median cost per task is about $0.20. This version ranks first among open-source models in all four metrics: task success confirmation, positive and negative user feedback, Bash command execution reliability, and steerability, with the task success confirmation metric ranking 8th on the overall leaderboard.