Casetext

The AI legal assistant for research and drafting

★★★★★ (0 reviews) Freemium Legal
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Overview

Casetext was the maker of CoCounsel, the first AI legal assistant built on GPT-4, and was acquired by Thomson Reuters for $650 million in 2023. The product now lives on as CoCounsel Legal within Thomson Reuters, integrating with Westlaw, Practical Law, and Microsoft 365. It helps legal professionals complete research, drafting, and document analysis with speed and precision via agentic AI workflows.

⚡ Legal 💵 Custom Pricing — contact for pricing. CoCounsel Legal (formerly Casetext) uses quote-based pricing that varies by firm size and bundled content. 📅 Listed 10 Jun 2026

✨ Features

Deep Research

Builds a multistep research plan using AI grounded in trusted Westlaw and Practical Law content.

Document Analysis

Reviews thousands of documents at once to surface key facts, issues, and clauses.

End-to-End Drafting

Drafts and edits legal documents within Microsoft Word with citation validation.

Agentic Workflows

Runs expert-created prompts and automated processes for litigation and advisory tasks.

⚖️ Pros & Cons

Pros

✓ Backed by Thomson Reuters' trusted Westlaw and Practical Law content
✓ Broad capabilities across research, drafting, and review
✓ Widely adopted by Am Law 100 firms

Cons

✗ Pricing is sales-led and costly for small firms
✗ Standalone Casetext brand folded into Thomson Reuters

💰 Pricing

CoCounsel Legal

Custom

  • AI legal assistant
  • Research, drafting & document analysis
  • Quote based on firm size

With Westlaw / Practical Law

Custom

  • Integrated trusted legal content
  • KeyCite citation validation
  • Contact sales for bundle pricing

Enterprise

Custom

  • Org-wide deployment
  • Microsoft 365 & DMS integration
  • Tailored agentic workflows

Categories

Legal