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Best AI for summarization, rated by lawyers.

Depositions, records and long documents: the tools that summarize them. 8 tools rated, ranked by what lawyers say in public, with how many voices each rests on and how sure we are.

Leader now: Claude+59 net · 27 voices · Low confidence · tied with Gemini +2

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.

#ToolNet90% bandVoicesConfidence
1Claude+59+33 to +7527Low
2ChatGPT+5−8 to +18114Medium
3Gemini+36−10 to +6811Low
4Copilot+11−19 to +3819Low
5Harvey+11−24 to +4119Low
6Westlaw AI−9−43 to +2911Low
7CoCounsel−30−49 to −733Low
8Lexis+ AI−40−70 to +510Low

Heard, not enough to rank

Tools with fewer than 10 voices in this category. They get a number when they have 10.

Clio (3) · Legora (3) · Perplexity (2) · Spellbook (1)

Short answers

From the ranking above, same record.

What is the best AI for summarization?

On what lawyers say in public, Claude leads summarization as of : net sentiment +59 on 27 voices, Low confidence (90% band +33 to +75). It is a measure of what lawyers report, not a test of the product.

How do you rank AI tools for summarization?

8 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 (+59 net, 27 voices), ChatGPT (+5 net, 114 voices), Gemini (+36 net, 11 voices).

Every voice on summarization →

The summarization report: every tool with its voices, complaints and outside tests, dated, with PDF →

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