DeepSeek-V4-Flash-20260731 (High) by @deepseek_ai landed in Agent Arena at #21# overall (+1.98% net-improvement), and among open source #3# based on +12.5K real-world agentic sessions. This release is ranked 6 higher than DeepSeek-V4-Pro (-0.47%) and 13 higher than the previous DeepSeek-V4-Flash model (-2.81%). Across key signals, DeepSeek-V4-Flash-20260731 (High) is strong in Confirmed Success (+6.99%), but weaker in Steerability (-2.31%). Below we break down how it scored across all 5 signals, drawn from tasks submitted by a global community of users. Here’s an overview on the signals: - Confirmed Success: an explicit "yes that worked" feedback from the user - Praise vs. Complaint: implicit sentiment in users reactions - Steerability: can the model course-correct when you push back? - Bash Recovery: how it recovers from CLI errors (primary signal for tool use) - Tool Hallucination: does it call tools that don't exist