LoopArena Benchmark: AI Controllers Achieve Only ~25% Success Rate

Hugging Face released LoopArena, a benchmark testing how well controller models guide a fixed coding agent through long-horizon software tasks. The best strict success rate was only about 25%.

2026-08-31 ~ 2026-09-01 · 3 related posts

• LoopArena: Benchmarking controller models that steer coding agents — GD-ML · 2026-08-31
• Hugging Face: LoopArena Benchmarks Models as Runtime Controllers for Agents — _akhaliq · 2026-09-01
• LoopArena Benchmark: Models Achieve Only ~25% Success as Loop Engineering Controllers — dair_ai · 2026-09-01