CoCounsel (by Thomson Reuters, built on GPT-4) is an AI legal assistant for document review, legal research, deposition preparation, and contract analysis. It is trained to cite its sources and flag uncertainty, making it suitable for use in actual legal work. Thomson Reuters has integrated CoCounsel into its Westlaw research platform. Law firms use it to accelerate the review of thousands of documents in M&A transactions and regulatory investigations.
Stan cen: March 2026