Legal research and citation linking, built into your browser
This is our editors' assessment out of 5, not an average of user ratings. The viewpoints on this page are written by AI from what we know about the product. They are not customer reviews.
According to OpenAITools.app telemetry verified on 2026-11-11, vLex (chromewebstore.google.com) is an AI platform indexed under AI Copilot generating 0 monthly visits with a month-over-month traffic delta of +0 (0.0%). Its primary geographic market is Global (— traffic share), and it operates on a Freemium pricing model. Top competing alternatives by monthly volume include vLex (formerly Justis) (10.59K visits/mo), vLex (140.46K visits/mo), Perplexity (88.31M visits/mo).
Saves so much time cross-referencing case law directly in my browser.
Vincent AI is shockingly accurate on citation matching.
Handy.
A bit pricey if you're not already on the platform, but indispensable for research.
AI-synthesized perspectives grounded in live site inspection, pricing structure, and category benchmarks — presented as editorial viewpoints rather than individual customer testimonials.
The extension scans the page you are reading and turns case names, citations and statutory references into clickable links that open the matching document on vLex.com, so you can verify authority without leaving your tab.
Vincent AI reads the context of the content in front of you and recommends relevant vLex cases, statutes and commentary, letting you explore the surrounding legal landscape in one click.
Search results are augmented with related vLex documents, so case law, legislation and secondary sources appear beside ordinary web results instead of being buried several pages deep.
Beyond the extension, Vincent AI accepts natural-language legal questions and returns structured answers with linked citations, and can generate multi-jurisdiction surveys for comparative work.
The extension ships in six languages including English, Catalan, Spanish, French, Italian and Brazilian Portuguese, matching vLex's international coverage across many jurisdictions.
The vLex extension is designed for people who read legal material on the open web — associates checking a citation in a news article, in-house counsel spotting a case reference in a regulatory update, or students working through a judgment. Rather than copying a citation into a separate search tab, you hover or click the linked reference and land directly on the authoritative document. In parallel, the extension rewrites the experience of Google Search for legal queries by surfacing vLex documents next to the standard result list, which shortens the loop between finding a reference and reading it.
The AI layer, Vincent, is what separates vLex from a plain citation-linker. It uses the page you are viewing as context and suggests related vLex material, and it can answer natural-language legal questions with cited authority. That makes the extension a lightweight front end to the much larger vLex library: complete federal and state case law, legislation, regulations and secondary materials from hundreds of publishers across many countries.
Because vLex's library is a subscription product, the extension itself is the free on-ramp — installation costs nothing, while depth of access is governed by your vLex account. vLex is now part of Clio, and the legal research platform, Vincent AI assistant and this browser extension continue to be developed and maintained under that umbrella, with the extension last updated in October 2024 and used by roughly 100,000 people.
Turn party names and report citations in a judgment or news article into clickable links, then jump straight to the full case on vLex to confirm the holding before relying on it.
Receive contextual recommendations of cases, statutes and commentary related to the page you are viewing, and ask Vincent AI natural-language questions to build a research trail with citations.
Use Vincent AI to ask comparative legal questions and generate multi-jurisdiction surveys, checking each answer against the linked authority.
Extend Google searches for doctrine or statute with vLex's secondary sources, forms and editorially maintained practice notes to support seminar and casebook work.
Side-by-side telemetry comparison of competing AI tools in the same primary category
| Rank | AI Tool | Monthly Visits | MoM Growth | Direct traffic share | Pricing | Head-to-Head |
|---|---|---|---|---|---|---|
| ● | vLex | 0 | — | — | Freemium | Current |
| 1 | vLex (formerly Justis) | 10.59K | -36.6% | 40% direct | Free Trial | vs vLex (formerly Justis) |
| 2 | vLex | 140.46K | +0.7% | 18% direct | Free Trial, Contact for Pricing | vs vLex |
| 3 | Perplexity | 88.31M | -3.7% | 72% direct | Freemium | vs Perplexity |
| 4 | Harvey | 1.83M | +26.1% | 70% direct | Contact for Pricing | vs Harvey |
| 5 | Thomson Reuters | 17.92M | +5.5% | 42% direct | Contact for Pricing | vs Thomson Reuters |
| 6 | Monica | 4.51M | -11.3% | 55% direct | Freemium | vs Monica |
Global legal research and AI powered by the Clio Library
Global legal research and AI powered by the Clio Library
Legal AI that understands the law
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Domain-specific AI for law firms, in-house legal teams, and professional services
Domain-specific AI for law firms, in-house legal teams, and professional services
Purpose-built AI and trusted content for legal, tax, risk and trade professionals
Purpose-built AI and trusted content for legal, tax, risk and trade professionals
All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
Sovereign AI automation for regulated and legal work
Sovereign AI automation for regulated and legal work
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone
Ctrl+F, reimagined with AI for web pages and PDFs
Ctrl+F, reimagined with AI for web pages and PDFs
Your personal AI legal assistant for research, drafting, and document review
Your personal AI legal assistant for research, drafting, and document review
AI answers grounded in 300M+ scholarly full texts
AI answers grounded in 300M+ scholarly full texts
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
