Casetext offered a suite of advanced AI tools designed to streamline legal workflows. Its flagship AI legal assistant, CoCounsel, launched in March 2023 and powered by OpenAI's GPT-4, allowed lawyers to delegate substantive tasks. Users could ask legal questions in natural language and receive accurate, speedy answers with linked citations, leveraging CoCounsel's integration with Parallel Search and Casetext's legal databases. CoCounsel also enabled comprehensive document review and analysis, identifying specific provisions or risks within documents. Lawyers could utilize it for drafting various legal documents, summarizing depositions, preparing thoroughly for hearings, and creating detailed timelines of events from extensive document sets, significantly enhancing efficiency in complex legal processes. For advanced research, Casetext featured Parallel Search, an AI-powered engine that transcended traditional keyword limitations. This tool allowed users to search across all 50-state and federal cases, statutes, regulations, and rules by matching underlying facts and concepts. This innovative approach helped uncover relevant cases that might be missed by conventional keyword-based searches, providing a more comprehensive research outcome. CARA AI, an earlier but powerful AI tool, assisted users by analyzing legal briefs. It intelligently suggested relevant authorities and cases that matched the specific legal and factual issues within a user's brief, even if those authorities were not explicitly cited, thereby enriching the research process. Another key tool was AllSearch, introduced in June 2022. This document search utility allowed users to search any collection of documents with enhanced speed and accuracy. AllSearch could identify specific concepts without requiring exact keyword matches, proving invaluable for expediting discovery processes and improving overall knowledge management within legal practices. Finally, Compose, Casetext's brief automation software, was designed to significantly reduce the manual effort typically involved in researching and drafting high-quality legal briefs. It automated many aspects of brief creation, allowing legal professionals to focus on strategic analysis rather than repetitive tasks. Together, these tools provided a comprehensive and intuitive platform for modern legal practice.