Vincent
Vincent AI is a generative legal intelligence platform developed by vLex, designed specifically for lawyers to transform how legal work is researched, analyzed, and executed across the full lifecycle of a case. It combines advanced AI models with one of the world’s largest legal databases, containing over one billion documents from more than 100 jurisdictions, to deliver authoritative, citation-backed answers grounded in real legal sources. It allows users to ask complex legal questions in natural language and receive structured responses with full references, while also supporting advanced workflows such as comparing laws across jurisdictions, building legal arguments, and generating research outputs. It goes beyond research by automating litigation and transactional workflows, including analyzing pleadings, profiling judges and opposing counsel, reviewing contracts, identifying risks, and performing redline comparisons with contextual legal insight.
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Casetext
Casetext has been the leader in legal AI since 2013. Our marquee product, CoCounsel, is the world's first AI legal assistant.
CoCounsel completes document review, legal research memos, deposition preparation, and contract analysis in minutes—with results lawyers can trust. In addition to CoCounsel, Casetext also offers access to our comprehensive legal databases and superior search technology.
Our team of top litigators, reference attorneys, PhD data scientists, and leading AI engineers apply cutting-edge AI to the law to create solutions that enable attorneys to provide more efficient, higher-quality representation to more clients, gain a competitive advantage, and increase access to justice for everyone.
Today, over 10,000 law firms—from solos and small practices to more than 40 Am Law 200 firms—rely on Casetext to elevate the quality of their practice.
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CoCounsel
Thomson Reuters CoCounsel is an AI-powered professional assistant designed for legal, tax, audit, accounting, and compliance workflows. The platform combines artificial intelligence with authoritative professional content to support research, document analysis, drafting, and complex problem-solving. Legal professionals can use CoCounsel to research legal questions, review contracts, analyze case materials, and generate documents using information from Westlaw and Practical Law. Tax and accounting professionals can access trusted research sources, examine financial documents, and automate recurring analysis and reporting tasks. Its agentic AI capabilities support multistep workflows, document processing, information retrieval, and the creation of structured professional deliverables. CoCounsel provides source citations, enterprise security controls, and integrations with professional tools to help organizations improve productivity while maintaining oversight of AI-generated work.
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ArkLegal AI
ArkLegal AI is a cloud-based U.S. legal research, document analysis and drafting platform for attorneys, law firms, legal teams, businesses and self-represented users. It supports jurisdiction-aware research across all 50 states and federal courts, citation checks and source links, document review, legal drafting and matter workspaces. Microsoft Word, OneDrive and Clio integrations are included in the Ark plan. Users can research questions, analyze uploaded documents and develop drafts in a browser. Free research and document tools are available alongside paid subscriptions. Founded on December 6, 2025 by practicing attorney Philippe Revah, ArkLegal AI is operated by ARK LEGAL AI LLC in Hallandale Beach, Florida. ArkLegal AI is software, not a law firm. Users should independently review sources, current treatment, citations and drafts before relying on results.
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