Legal AI Tools

Specialized AI platforms built specifically for legal professionals and firms.

Casetext / CoCounsel

CoCounsel by Casetext (now owned by Thomson Reuters) is an AI-powered legal assistant built on OpenAI's GPT models, fine-tuned on legal data and case ...

AI-powered document review with cited answers from uploaded materials

Deposition preparation with AI-generated topic outlines and proposed questions

Contract analysis extracting terms, dates, dollar amounts, and compliance checks

Harvey AI

Harvey AI is an enterprise-grade generative AI platform built on OpenAI's GPT-4, designed for large law firms and Fortune 500 legal departments. It of...

Harvey Assistant — conversational AI analyzing up to 50 documents simultaneously with source-assured citations

Vault — large-scale document review processing up to 10,000 documents per project with ~97% accuracy

Knowledge — legal research integrating 100+ global legal data sources with LexisNexis partnership

Lexis+ AI

Lexis+ AI is LexisNexis's generative AI platform for legal professionals, combining large language models (Claude 2 and GPT-4) with LexisNexis's vast ...

Conversational legal research with natural language queries and Shepard's-validated citations

Legal drafting assistant generating motions, contracts, memos, and discovery questions

Document upload and analysis for context-aware review (up to ~150 pages)

Westlaw Precision

Westlaw Precision AI is Thomson Reuters' premier legal research product, integrating AI features into their comprehensive legal database. It offers AI...

AI-Assisted Research with natural language queries and synthesized answers with linked citations

Quick Check for citation accuracy — flags overruled authorities and surfaces missed cases

Document Analysis for contract review, key provision extraction, and summarization

vLex / Vincent AI

vLex's Vincent AI (now part of Clio after a $1 billion acquisition in 2025) is an AI-powered legal research assistant leveraging one of the world's la...

Ask AI research questions with full citations to primary and secondary sources

50-State Survey compiling multi-jurisdictional law summaries across US states

Litigation workflows — analyze complaints, pleadings, and judicial proceedings

ROSS Intelligence

ROSS Intelligence was an AI-powered legal research platform founded in 2014 that aimed to democratize legal research. The company ceased operations af...

Natural language legal research queries (no longer available)

AI-powered case law analysis and research assistance

Affordable alternative to Westlaw and LexisNexis (historical)

Everlaw

Everlaw is a cloud-based e-discovery and litigation platform designed for law firms, corporations, and government agencies. It offers AI-powered docum...

EverlawAI suite — Deep Dive, Coding Suggestions, Predictive Coding, and Review Assistant

StoryBuilder for organizing documents into case narratives and deposition outlines

Multi-lingual translation supporting 53 languages automatically

Logikcull

Logikcull is a cloud-based eDiscovery platform offering automated data collection, processing, review, and production. It features AI-powered culling,...

Drag-and-drop data upload with automatic text indexing, metadata extraction, and deduplication

ASK GenAI fact-finding and data synthesis engine for AI-powered analysis

Culling Intelligence using machine learning to identify and remove irrelevant documents

CoCounsel

CoCounsel is now the unified AI assistant brand under Thomson Reuters, originally developed by Casetext. It is the same product as Casetext/CoCounsel ...

AI document review with question-answering on uploaded legal documents

Agentic Guided Workflows for multi-step legal project planning and execution

Deep Research combining AI with Westlaw content for comprehensive legal analysis

Spellbook

Spellbook is an AI-powered contract drafting and review tool that integrates directly into Microsoft Word. Built on GPT-4o and GPT-5, it helps lawyers...

AI-powered contract review identifying risks, missing clauses, and suggesting redlines

AI drafting generating clauses and documents from scratch or precedents

Direct Microsoft Word integration — works as a Word add-in without switching apps

LawGeex

LawGeex is an AI-powered contract review platform that automates reviewing, redlining, and negotiating legal documents by comparing them against custo...

Automated contract review scanning for compliance and risks against digital playbooks

Automated redlining generating edits and suggested contract language changes

Custom Digital Playbooks capturing organization-specific legal standards and risk tolerance

Kira Systems

Kira Systems offers AI-powered contract analysis software using patented machine learning technology for mid-sized to large enterprises in legal, fina...

Patented machine learning for rapid contract data extraction and analysis

800+ built-in smart fields for identifying key contract provisions automatically

Customizable extraction models trainable on firm-specific clause types