The Bitter Lesson of Agents: Minimal Toolsets Outperform Complex Custom Harnesses
pcuenq · x · 2026-08-12
Developer @mishig25 proposed the 'Bitter Lesson of Agents': in recent benchmarks, a minimal Pi Agent with only 4 basic tools outperformed complex custom agents equipped with 100,000 tools in both effectiveness and cost. This suggests that blindly stacking tools and complex orchestration logic in LLM workflows might degrade model performance, and simple, direct tool calling remains the optimal approach.
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