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The Bottleneck Lived Between Tool Calls

This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.

The bottleneck lived between the tool calls, not inside them. I almost blamed the model for a slow agent loop. Does that surprise you after a week of agent hype? It should not, if you have ever read a flamegraph. Agents look smart because they chain tools with confidence. Your wall clock still pays…

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  1. 2026-09-04 17:48 · DEV Community — AI
    The Bottleneck Lived Between Tool Calls

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