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Best AI for discovery, rated by lawyers.
Document review and production: the tools lawyers use on a discovery set. 4 tools rated, ranked by what lawyers say in public, with how many voices each rests on and how sure we are.
The ranking in this category
Tools with 10+ voices, ordered by the floor of the 90% band, so a few happy voices cannot outrank hundreds. Net = like minus dislike per 100 voices. Based on voices about what lawyers were doing in this category.
Heard, not enough to rank
Tools with fewer than 10 voices in this category. They get a number when they have 10.
Copilot (2) · Gemini (2) · Legora (2) · Lexis+ AI (1) · Paxton (1) · Westlaw AI (1)
Short answers
From the ranking above, same record.
What is the best AI for discovery?
On what lawyers say in public, Claude leads discovery as of : net sentiment +35 on 17 voices, Low confidence (90% band +2 to +60). It is a measure of what lawyers report, not a test of the product.
How do you rank AI tools for discovery?
4 tools with 10+ voices in this category are ranked by the floor of their 90% band, so a few happy voices cannot outrank hundreds. Top of the list: Claude (+35 net, 17 voices), ChatGPT (+9 net, 32 voices), Harvey (+20 net, 10 voices).