Ranked First Against Lawyers, ChatGPT, and Legal AI.
The VLAIR Legal Research Study is the most rigorous independent evaluation of AI for legal research ever conducted. It comprised 200 U.S. legal research questions, designed by Am Law firms including Reed Smith, Paul Hastings, Paul Weiss, and McDermott Will & Emery. Blind evaluation by practicing lawyers and law librarians — no vendor saw the questions, no evaluator knew which product they were scoring.
Counsel Stack received the highest score across every criteria.
What this means for legal work
Research you can cite
Answers that hold up
Output that's ready to share
Coverage across jurisdictions