Legal Research · Review
Westlaw
Our verdict
A top-tier research platform with AI tools beside the citator. Give the contract terms as much attention as the price.
Best for: Litigators and research-heavy practices that rely on KeyCite and editorial research.
Watch out for: Advertised discounts require 2- or 3-year terms, and subscriptions auto-renew under Thomson Reuters' terms. Online prices are for new customers at firms up to 10 attorneys. Get any cancellation promise in the order form.
Thomson Reuters' legal research platform with KeyCite, Key Numbers and headnotes; Westlaw Advantage adds AI tools such as Deep Research and the Litigation Document Analyzer.
Direct link to the vendor’s website. We don’t earn a commission from this link.
How we research: Researched from vendor documentation, pricing pages and user sentiment. Our methodology
- Best for
- Litigators and research-heavy practices that rely on KeyCite and editorial research.
- Probably not for
- Budget-limited solos with light research needs
- Pricing
- Starting price published
- Last checked
Pros & cons
Pros
- KeyCite, Key Numbers and headnotes
- Advantage AI tools: Deep Research, Litigation Document Analyzer and more
- Published online pricing for small firms
- New features included during the initial term, per Thomson Reuters
Cons
- Discounts tied to 2- or 3-year terms
- Online prices for new customers only
- Auto-renewal with renewal price increases
Who it’s for
- Best for
- Litigators and research-heavy practices that rely on KeyCite and editorial research.
- Litigators who rely on KeyCite
- Research-heavy practices
- Small firms buying online (up to 10 attorneys)
- Probably not for
- Budget-limited solos with light research needs
- Buyers wanting month-to-month terms
Use cases: Legal Research · Practice: — · Software: Research Platforms
Pricing
- Status
- Starting price published
- As the vendor publishes it
- Westlaw Advantage from $256.75/month (single circuit) or $399.75/month (all states + federal); 12% off 2-year, 18% off 3-year terms; online pricing for new customers at firms up to 10 attorneys (Thomson Reuters, checked 2026-10-15).
- Checked
- Before you buy
- Ask the vendor for a written quote, the minimum number of users, the contract term, and whether AI features cost extra.
Pricing changes; confirm with the vendor.
Alternatives: other Legal Research tools
Other tools listed in the same use case, in directory order. Not a ranking.
Legal Research
CoCounsel (Thomson Reuters)
Thomson Reuters' AI legal assistant for research, analysis, and drafting, grounded in Westlaw, Practical Law, and firm documents.
Best forFirms already on Westlaw or Practical Law, and litigators who want research plus citation checks on briefs.
Legal Research
Lexis+ with Protégé
LexisNexis' AI research and drafting platform (formerly Lexis+ AI), grounded in Lexis content with Shepard's Verify, Vault, Workrooms, and agent skills.
Best forFirms already on Lexis+, litigators who value Shepard's citation checks, and firms wanting AI over their document management system.
Legal Research
Vincent AI (Clio Work)
Clio Work (formerly vLex Vincent AI): matter-grounded legal research, document analysis, drafting assists, Clio Library, and Clio Docket alerts.
Best forClio Manage firms and litigators who want research AI on their matters plus multi-jurisdiction library and docket alerts.
Sources
- sales.legalsolutions.thomsonreuters.com/en-us/products/westlaw-advantage/plans-pricing
- thomsonreuters.com/content/dam/ewp-m/documents/thomsonreuters/en/pdf/other/general-terms-us-q225.pdf
Vendor pages we checked, accessed 2026-10-15.
FAQ
Who is Westlaw best for?
In our verdict: Litigators and research-heavy practices that rely on KeyCite and editorial research.
What should I watch out for with Westlaw?
In our verdict: Advertised discounts require 2- or 3-year terms, and subscriptions auto-renew under Thomson Reuters' terms. Online prices are for new customers at firms up to 10 attorneys. Get any cancellation promise in the order form.
How much does Westlaw cost?
Westlaw Advantage from $256.75/month (single circuit) or $399.75/month (all states + federal); 12% off 2-year, 18% off 3-year terms; online pricing for new customers at firms up to 10 attorneys (Thomson Reuters, checked 2026-10-15).