Agent Arena Pareto frontier page live: 57 models ranked by net improvement vs. cost per task
arena · x · 2026-09-03
The LMArena team shared the Agent Arena Pareto frontier page: a dynamic ranking of 57 models by net improvement × cost per task on real Agent Mode tasks, across 2.17M+ sessions, with signals including tool reliability, task completion, and steerability. This is the follow-up link post to the Gemini 3.8 Flash leaderboard news.
Related event: Gemini 3.8 Flash Reshapes Agent Arena's Pareto Frontier(4 posts)→
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