Large-Scale Tool Environments Mirror Real Enterprises

Shahules786 · x · 2026-07-14

The author adds that PlanBench-XL places agents in a retail world featuring over 1600 tools, though agents never see the complete toolset directly.

This closely reflects real enterprise scenarios: numerous tools exist, but they simply cannot all fit into the context window.

The text also notes that in such multi-turn, long-horizon environments, a single domain might contain 100+ tools. Consequently, these benchmarks reveal significant drops in model performance, highlighting the need to train models to actively explore tool libraries.

Related event: PlanBench-XL Tackles Agent Tool Retrieval at Scale(3 posts)→

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