Knowledge management and internal search

vLex (now part of Clio) is an AI legal research platform whose Vincent assistant works across a database of 1B+ legal documents from 100+ countries, aimed at firms from AmLaw 100 to boutiques. Retrieval-grounded. Book a demo or start a free trial; pricing is quote-based.

CoCounsel is Thomson Reuters' professional-grade legal AI assistant (built on Casetext), covering legal research, document review, drafting, and deposition preparation, grounded in Westlaw content. Sold to firms and legal departments; pricing is quote-based and enterprise, typically bundled with Westlaw. Retrieval-grounded, though outputs still require attorney verification.

Harvey is enterprise legal AI for large law firms and professional-services teams, with purpose-built agents, a secure document vault, cross-domain legal research (Knowledge), and contract intelligence. Aimed at AmLaw firms and in-house teams rather than solo or PI practices. Enterprise, quote-based.

Legora (formerly Leya) is collaborative legal AI built around an agentic operating system for research, drafting, and document review, used by law firms and in-house teams. Quote-based, sales-led. Note: leya.law now redirects to legora.com following the 2026 rebrand.

Filevine is a legal case-management platform (intake, matter and document management, deadlines, billing) with AI layered on through LOIS (Legal Operating Intelligence System): firm-wide AI agents, AI drafting, and medical-chronology tools, built on 40M+ matters. Popular with personal injury and plaintiff firms. A free trial is available; full pricing is quote-based.