Harness tuning boosts legal agent benchmark pass rate from 67% to 86%

A new study shows that optimizing the agent harness alone raised pass rates on the Harvey legal benchmark from 67.1% to 85.9%, though researchers note harnesses can only unlock, not create, model capabilities.

2026-09-09 ~ 2026-09-10 · 2 related posts

• Harness tuning lifts Qwen3.6-27B legal agent pass rate from 67% to 85%, study finds — sarahookr · 2026-09-09
• Harness optimization lifts Harvey legal agent benchmark pass rate from 67.1% to 85.9% — sarahookr · 2026-09-10