DeepSeek-V4.1-Flash Ranks Third Among Open Models on Agent Arena

Agent Arena launched a dynamic leaderboard ranking models by task completion and cost per task. DeepSeek-V4.1-Flash (Max) ranks third among open models (12th overall) with a +4.87% net improvement at roughly $0.06-0.07 per task, placing it on the Pareto frontier.

2026-09-15 ~ 2026-09-15 · 3 related posts

• Agent Arena: DeepSeek V4.1 Flash hits Pareto frontier at $0.06/task with +4.87% net improvement — arena · 2026-09-15
• DeepSeek-V4.1-Flash Hits #3 Open Model on Agent Arena at $0.07 per Task — arena · 2026-09-15
• Agent Arena Publishes Full Leaderboard and Pareto Frontier — arena · 2026-09-15