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AI for Lawyers

Casetext — AI for Legal

Thomson Reuters CoCounsel delivers professional AI for legal research, analysis, and document drafting.

Best forAI for Lawyers
Explore Casetext
8.8 Zekai
Verified legal AI
AI for Legal
Ease of Use
8.0
Accuracy
9.6
Value
7.6
Time Saving
9.4
Legal ResearchAI AnalysisWestlaw ContentPractical LawDocument Drafting
📊 Independently reviewed and scored. How we score →
✍️ Reviewed by Zekai Editorial Team · Updated September 10, 2026
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Zekai Verdict

What is it?
Casetext, integrated into Thomson Reuters CoCounsel, combines artificial intelligence with legal databases like Westlaw and Practical Law.
Best for
AI for Legal
Not ideal for
Pricing is not publicly listed on the website
Price
Pricing on request
Zekai Score
8.8/10
Visit official site ↗Compare alternatives →Why this score →
⭐ Today's SpotlightLex Machina★ 9.2/10EvenUp★ 9.1/10Everlaw★ 9.1/10Jusbrasil★ 9.1/10Lexyno★ 9.1/10CoCounsel★ 9.0/10Clearbrief★ 8.9/10Be the next sponsor →
Hand-scored by Zekai

Top AI for Legal picks

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⚡ Quick answer

Casetext, integrated into Thomson Reuters as CoCounsel, is an artificial intelligence application for legal research, document drafting, and legal analysis. It connects AI features directly to legal sources including Westlaw and Practical Law to provide citation-backed results. Legal professionals use it to review documents and speed up legal research workflows.

📖 About Casetext
How It Works

Your workflow, automated

1
Enter Legal Inquiry
Type your research query or legal task prompt into the interface.
2
Review Citation Answers
Examine verified responses grounded in Westlaw and Practical Law sources.
3
Draft Legal Materials
Generate legal documents and analysis supported by attorney-edited templates.
Ready to automate your workflow with Casetext?
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Real Impact

Before & After

❌ Before

Spending hours manually reviewing legal documents and searching unverified sources.

Hours per document review
✅ After

Complete legal research and review tasks quickly with citation-backed AI answers.

Minutes per document review
AI Prompts

Prompts for Lawyers

Prompt 01 Build an Initial Review Checklist
Act as a senior associate at an Am Law 100 firm reviewing a new Master Services Agreement (MSA) from a vendor. Your client is a US-based B2B SaaS company. The governing law is Delaware. Based on the text of the agreement provided below, cre…
Prompt 02 Draft a Clause from a List of Business Terms
Act as a transactional attorney. Draft a "Limitation of Liability" clause for a software-as-a-service agreement. **Context:** * **Governing Law:** New York * **My Client:** The SaaS provider * **Key Business Terms:** * Exclude l…
Prompt 03 Compare Two Versions of a Clause
I have two versions of an Indemnification clause. Version A is my company's preferred language. Version B is a counterparty's proposed redline. Analyze both versions and create a summary table that compares them. The table should have three…
See all 27 AI prompts for Lawyers →
Social Proof

Trusted by professionals

Ease of Use
8.0
Accuracy
9.6
Value
7.6
Time Saving
9.4
See Plans & Pricing →
Connects With

Casetext integrations

Westlaw Practical Law HighQ Legal Tracker
Setup complexity: Moderate
Casetext, integrated into Thomson Reuters CoCounsel, combines artificial intelligence with legal databases like Westlaw and Practical Law. It helps legal teams complete research, analyze documents, and prepare legal deliverables. The platform connects research and drafting workflows into an assistant for law firms and corporate legal departments.
The decision

Is Casetext worth it?

Built for
Law firms, legal professionals, and corporate legal departments
Effort to adopt
Moderate
Who It's For

Why Legal choose this tool

🎯
Built for
AI for Legal
In-Depth Overview
When you evaluate AI tools for legal work, reliability and source authority are paramount. Casetext, now integrated into Thomson Reuters CoCounsel, grounds its AI models in verified legal databases including Westlaw and Practical Law. Rather than relying on generic generative AI, you get citation-backed insights and guides created by hundreds of attorney-editors. In practice, you can run legal research, perform due diligence, analyze documents, and draft legal work within a single workflow. Customer results indicate substantial operational gains, such as reducing hour-long document reviews down to minutes and doubling litigation capacity. The system serves law firms, corporate legal departments, and public defenders who require verified legal sources for their daily research and drafting tasks. However, because pricing and specific feature availability depend on enterprise subscriptions and product tiers, you must contact Thomson Reuters directly to determine costs for your organization. For legal teams seeking AI directly connected to established primary law sources, CoCounsel provides an integrated environment for legal analysis.

Key Use Cases

⚖️
Accelerate Legal Research
Litigation Attorney
Conduct legal research and obtain citation-backed answers drawing from primary legal databases.
100% capacity increase
💼
Document Review
Corporate Counsel
Analyze documents and verify compliance to manage work scope and reduce external counsel costs.
Minutes instead of hours
✓ Pros
Grounded in verified Westlaw and Practical Law databases
Provides citation-backed answers for legal queries
Reduces multi-hour document reviews to minutes
Supports litigation and transactional practice areas
Includes templates created by over 650 attorney-editors
· Cons
Pricing is not publicly listed on the website
Full capabilities depend on Thomson Reuters product subscriptions
Requires sales consultation for organization setup
No self-serve free trial details are provided on the page
⚡ Editorial Verdict

CoCounsel combines AI assistance with verified Westlaw and Practical Law databases to speed up legal research and drafting. It provides citation-backed results to support litigation and transactional workflows. However, transparent pricing is not provided upfront on the site, requiring sales contact to evaluate subscription costs.

See all 289 AI tools for Lawyers → Browse the AI Directory →
Questions & Answers

Frequently asked questions

What database content powers CoCounsel?

+
CoCounsel relies on Thomson Reuters databases, including primary law from Westlaw and attorney-edited guides from Practical Law.

Is pricing available online for Casetext CoCounsel?

+
No, pricing is not listed directly on the page. You must contact Thomson Reuters or sign in to manage account purchases.

Last reviewed:

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About Casetext

Full Description

Casetext, integrated into Thomson Reuters CoCounsel, combines artificial intelligence with legal databases like Westlaw and Practical Law. It helps legal teams complete research, analyze documents, and prepare legal deliverables. The platform connects research and drafting workflows into an assistant for law firms and corporate legal departments.

Editorial Verdict

CoCounsel combines AI assistance with verified Westlaw and Practical Law databases to speed up legal research and drafting. It provides citation-backed results to support litigation and transactional workflows. However, transparent pricing is not provided upfront on the site, requiring sales contact to evaluate subscription costs.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to Casetext unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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