Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. This Business Profile tracks the Brand Authority Index and supporting AI visibility evidence. Last analyzed August 9, 2026.
Casetext is legal Technology / Professional Services AI.
Casetext was founded in 2013 and is headquartered in St. Paul, MN / New York, NY (Thomson Reuters).
Casetext is rated Leader on the Optimly Brand Authority Index, a measure of how well AI models can accurately describe the brand. The exact score is locked for unclaimed profiles.
AI narrative accuracy for Casetext is Moderate. Significant factual deltas detected.
AI models classify Casetext as a Challenger. AI names competitors first.
Casetext appeared in 6 of 8 sampled buyer-intent queries (75%). Casetext dominates queries for 'Legal AI assistant' but faces higher competition in the 'Tax AI' and 'Accounting AI' spaces where it is a newer entrant.
Casetext is recognized as a leader in legal AI, specifically through its CoCounsel product. However, there is potential for confusion regarding its status as a subsidiary of Thomson Reuters and its expansion beyond just 'Legal' into Tax and Audit. Key gap: The shift from Casetext as an independent legal search engine to Casetext as the home of 'CoCounsel' (an AI for broad professional services including tax and audit) may be lagged in AI training data.
Of 6 key facts verified about Casetext, 4 are well-documented (likely accurate across AI models), 1 have limited sourcing, and 1 are retrieval-dependent and may be inaccurate without live search.
Historical data may still describe Casetext primarily as a 'crowdsourced legal research site'—its 2013-era identity—rather than the AI-first professional assistant it is today.
Buyers turn to Casetext for Manual Legal Research: Individual attorneys or paralegals manually reading case law, statutes, and transcripts to find relevant precedents., Legal Research Outsourcing (LRO): Hiring specialized legal research firms or contract attorneys to perform high-volume document review and research., among 2 documented problem areas.
Buyers evaluating Casetext typically ask AI models about "Best AI for legal research", "AI assistant for law firms", "CoCounsel features", and 4 similar queries.
Casetext's core products are CoCounsel, Legal Research, Document Review, Contract Analysis, Tax/Audit Compliance Research..
Casetext uses Enterprise/Custom or Subscription (Professional seat-based).
Casetext serves Law firms, Corporate legal departments, Accounting firms, Tax professionals, Audit firms..
Casetext Access to Thomson Reuters' authoritative, proprietary content combined with best-in-class security that ensures user data is never used to train LLMs.
Brand Authority Index (BAI) tier: Leader (exact score locked for unclaimed brands)
Archetype: Challenger
Official website: https://casetext.com/
Last analyzed: August 9, 2026
Founded: 2013 (Acquired 2023) (source: official website)
Headquarters: St. Paul, Minnesota (Thomson Reuters HQ) (source: official website)
This Business Profile is published by Optimly in the Optimly AI Brand Index, a public research dataset showing how AI systems describe brands, categories, and competitors. Optimly AI Visibility analyzes sampled buyer-intent responses, cited sources, and public brand information. The Brand Authority Index summarizes answer presence, narrative accuracy, and owned citations where sufficient evidence is available.
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