Harvey shares how it evals contract review when ten lawyers redline ten different ways

graceisford · x · 2026-10-07

Harvey engineer Aveek Dasgupta shared how the team designs evals for contract review agents, with Ryan Daniels noting this tackles a major unsolved transformer problem.

The core challenge: ten great lawyers redline the same contract ten different ways, so there's no single verifiable reward signal for hillclimbing. Legal reasoning is described as the most complex of such multi-answer domains. The team says they've cracked key parts of the puzzle and are now publishing their eval methodology.

Related event: Harvey Team Shares How to Evaluate Contract-Review Agents(2 posts)→

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