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Legal AIFounded 2023·Reviewed September 2026

CoCounsel (Thomson Reuters)

GPT-powered legal AI assistant for research and contract automation

4.4
Based on 220 aggregated public reviews
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Our Verdict

CoCounsel is Thomson Reuters' AI legal assistant, built on GPT-4 technology acquired through the Casetext acquisition. It provides a unified AI assistant that helps legal teams generate documents, identify risks, perform due diligence, and access relevant case law — all within the familiar Westlaw and Practical Law ecosystem. CoCounsel is best for firms that already use Westlaw, as it's bundled with the subscription rather than sold standalone. The tool excels at legal research, where it can search across case law and statutes, summarize findings, and draft legal arguments. Pricing is not publicly available and requires a Westlaw subscription, making it most suitable for established law firms rather than solo practitioners.

Rating

4.4/5

Starting Price

$0/mo

HQ

Minneapolis, MN

✓ Pros

  • Powered by GPT-4 with deep legal knowledge
  • Integrates with Westlaw and Practical Law
  • Handles contract review, drafting, and legal research
  • Backed by Thomson Reuters — trusted by large firms

✗ Cons

  • Requires Westlaw subscription (expensive)
  • Not available as standalone product
  • Pricing not publicly disclosed

Key Features

Legal Research
Contract Drafting
Document Review
Risk Assessment
Westlaw Integration
Case Law Analysis

Pricing

Bundled with Westlaw subscription — contact for pricing

Best For

Law FirmsLitigation TeamsLegal Researchers

Use Cases

Legal researchContract draftingDocument reviewDue diligenceCase law analysis

Affiliate Program Details

Network

Direct

Commission

Not publicly available

Cookie Duration

N/A

This review contains affiliate links. We may earn a commission if you sign up through our links, at no extra cost to you.

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