Casetext vs Darrow
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI legal research platform acquired by Thomson Reuters for $650M; CoCounsel AI integrated into Westlaw for case research, contract review, and deposition analysis.
About
Casetext is an AI legal research platform that pioneered AI-assisted legal research tools for attorneys, law students, and legal professionals before being acquired by Thomson Reuters in August 2023 for $650 million — one of the largest legal tech acquisitions in history. Founded in 2013 in San Francisco by Jake Heller and Pablo Arredondo, Casetext built the CARA AI tool (Context and Relevant Analysis) that analyzes uploaded legal briefs to find relevant case law the attorney may have missed, and CoCounsel — an AI legal assistant powered by GPT-4.
Legal AI for plaintiffs firms identifying mass tort and class action opportunities; AI analysis of regulatory data and adverse event reports to surface high-value litigation claims before competitors.
About
Darrow is a legal AI platform that helps plaintiffs' law firms and mass tort litigation groups identify and pursue large-scale legal claims by automatically analyzing datasets for patterns that indicate potential class action suits, multi-district litigation (MDL) opportunities, or mass tort cases — using AI to surface claims that would require enormous manual review to identify in traditional legal research. Founded in 2020 in Tel Aviv, Israel by Evyatar Ben Artzi and Gal Gonen, Darrow has raised approximately $35 million and targets plaintiffs' law firms and litigation funders who want to find and develop high-value cases more efficiently.\n\nDarrow's AI system monitors regulatory filings, court documents, government databases, news sources, and adverse event reports to identify emerging litigation opportunities — such as a pattern of product safety complaints that could form the basis of a class action, or regulatory enforcement actions that create plaintiff claims. The platform helps attorneys evaluate claim merit and potential damages before investing significant resources in case development. Darrow calls this "justice intelligence" — using AI to surface deserving claims that might otherwise go unfiled because attorneys lack the tools to identify them efficiently.\n\nIn 2025, Darrow operates in the emerging legal AI and litigation intelligence market alongside CaseText (acquired by Thomson Reuters), Lex Machina (LexisNexis), and general legal AI tools like Harvey AI for litigation-focused AI applications. The plaintiffs' side of the legal market is a significant opportunity for AI — mass tort and class action law firms handle billions in settlements and have strong incentive to identify high-merit cases early. The 2025 strategy focuses on expanding its claim identification coverage to more regulatory databases and adverse event sources, growing partnerships with major plaintiffs' firms and litigation funders, and expanding internationally.
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