Agent Arena: Million-task leaderboard for real-world AI agents
arena · x · 2026-08-20
Agent Arena evaluates models on millions of real-world, long-horizon agentic tasks using tools like web search, filesystem, and terminal. The leaderboard ranks models by net improvement in tool reliability, task completion, and steerability using causal tracing.
Top models currently include Claude Opus 5 (High) and Kimi K3 (Max).
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