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I Instrumented Two Computer-Use Agents for a Month. The Bottleneck Wasn't the Model.

This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.

Everyone benchmarking computer-use agents measures the same thing: task success rate. Did it fill the form correctly? Did it find the file? Useful numbers, and they miss the variable that actually determines whether an agent is worth running — wall-clock occupancy of the host machine. I ran two age…

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  1. 2026-08-26 20:36 · DEV Community — AI
    I Instrumented Two Computer-Use Agents for a Month. The Bottleneck Wasn't the Model.

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