Casetext AI is an AI-powered legal research platform that dramatically accelerates case law research, contract review, and legal analysis. Its CoCounsel feature, powered by GPT-4, can review entire document sets, draft legal research memos, analyze deposition transcripts, and identify relevant precedents in minutes — work that previously took associates hours or days. Law firms representing some of the world's largest corporations use Casetext to deliver faster, more comprehensive legal analysis, reduce research costs, and give attorneys more time for high-value legal strategy and client relationships.