# The Tool-Overuse Illusion: Why AI Agents Get Dumber When They Reach for Help

- slug: the-tool-overuse-illusion-why-ai-agents-get-dumber-when-they-reach-for-help
- date: 2026-04-23
- category: Artificial Intelligence

Every AI agent deployed today was trained to get the right answer. None were trained to avoid unnecessary work. A new study puts a number on the cost: up to 14.5 percent accuracy loss on questions the model could have answered without calling a tool.

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