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Mercor Says 90% of US Work Hours Lack AI Benchmark Coverage

Oct 19, 2026
mercor.com
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Summary

Mercor maps 29 AI benchmarks against 923 O*NET occupations and reports that only 208 have a task with at least 5 benchmark prompts. The company estimates 90% of American working hours go to tasks with little or no benchmark coverage, and 6 of 22 job families have none.

Key Points

  • Mercor reports 924 of O*NET's 18,797 tasks are represented in its benchmark index.
  • Mercor says O*NET tasks tagged AI-exposed are about six times more likely to appear on benchmarks than unexposed tasks.
  • Mercor says its benchmarks heavily cover AI-exposed lawyers' tasks, but barely cover legal secretaries or court clerks.

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