Casetext CoCounsel
casetext.com
AI legal assistant (now part of Thomson Reuters) for legal research and document review.
Quick Information
- Category:
- Business
- Pricing:
- Paid
- Platforms:
- Web
- Last Verified:
- September 2026
What Is Casetext CoCounsel?
CoCounsel launched in March 2023 as the first AI legal assistant built on GPT-4, and Thomson Reuters moved fast — acquiring Casetext and CoCounsel for $650 million just four months after release. By February 2026, the platform had reached 1 million users across 107 countries, and the American Association of Law Libraries named it their 2026 New Product Award winner.
Thomson Reuters is now rolling out what it calls the "next generation" of CoCounsel Legal — the most substantial rework since the 2023 acquisition — with early access beta users reportedly responding very positively, and full general availability planned for August 2026 in the U.S., followed by Canada, the U.K., and Australia. The platform lets attorneys conduct legal research, analyze documents, and draft through plain-language queries rather than traditional legal database search syntax.
Pricing runs $225 to $900 per user per month as of April 2026, positioning it firmly in the enterprise legal tech category — a real investment aimed at law firms and in-house legal teams, not solo practitioners testing the waters casually. As with any legal AI tool, cited case law and legal conclusions still require attorney verification before use in any real filing. See our Business tools directory for adjacent legal AI platforms like Harvey AI.
What Can You Use Casetext CoCounsel For?
Legal research
Conducts case law and legal research through plain-language queries.
Document analysis
Analyzes legal documents and contracts for relevant information.
Legal drafting assistance
Assists with drafting legal memos and documents based on research findings.
Casetext CoCounsel Features
- Plain-language legal research — Conducts legal research through natural-language queries rather than traditional database search syntax.
- Document analysis — Analyzes legal documents to extract relevant information and insights.
- Legal drafting support — Assists with drafting memos and legal documents based on research.
- Built on GPT-4 foundation — Launched as the first AI legal assistant built on GPT-4, since substantially expanded.
Who Is Casetext CoCounsel For?
- Law firms — Speeds up legal research and drafting work across a large volume of matters.
- In-house legal teams — Gets enterprise-grade legal AI research and analysis without outside counsel for every task.
Casetext CoCounsel Pros & Limitations
What We Like
- Reached 1 million users across 107 countries by February 2026, a strong adoption signal
- Backed by Thomson Reuters with a substantial next-generation platform rework underway
- Won the 2026 American Association of Law Libraries New Product Award
Limitations
- Pricing ($225-$900/user/month) positions it as a real enterprise investment, not a casual tool
- All cited case law and legal conclusions require independent attorney verification before use in filings
- Built for law firms and legal teams, not accessible for casual individual legal questions
Casetext CoCounsel Pricing
| Plan | Price | Main Features |
|---|---|---|
| Per user | $225-$900/user/month | Varies by feature tier and firm size |
Pricing was last verified September 2026. Check the official website for the latest pricing.
AI Listing Jungle Ranking
- Global Rank:
- #875
- Overall Score:
- 0.0/100
- Monthly Users:
- –
- Rank Change:
- –
This ranking reflects AI Listing Jungle's own independent scoring methodology and is not an endorsement by Casetext CoCounsel or its company. How Our Rankings Work
Frequently Asked Questions
How much does CoCounsel cost?
$225 to $900 per user per month as of April 2026, depending on tier and firm size.
Does CoCounsel replace an attorney?
No, it assists with research, analysis, and drafting, but all case citations and legal conclusions require attorney verification.
How many people use CoCounsel?
Over 1 million users across 107 countries as of February 2026.
What is the "next generation" of CoCounsel?
A substantial rework of the platform in early access as of 2026, with full general availability planned for August 2026 in the U.S.
Our Take
CoCounsel's rapid adoption and Thomson Reuters' continued heavy investment suggest it's a genuinely credible enterprise legal AI platform, not just early hype.
Its real cost puts it squarely in enterprise territory, and like any legal AI tool, its output still requires attorney verification before real use.
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