OpenAI Launches Legal Version of GPT-6 Astra, With 40% Higher Accuracy in Legal Research

Insight Beating AI Flash News: OpenAI has launched Astra for Law, a GPT-6 Astra version tailored specifically for legal professionals. It integrates legal research, analysis, and writing capabilities, helping lawyers look up case precedents, analyze cases, draft documents, and connect with law firms’ existing workflows. OpenAI has also built a new legal search index, which queries over 230 million URLs including U.S. case precedents, statutes, court rules, etc., covering more than 99.9% of all published U.S. precedent judgments. Among 200 U.S. legal research questions, Astra for Law achieved an overall accuracy rate of 54.0%, compared to 38.7% for standard GPT-6 Astra with web search, marking an approximate 40% relative improvement. In case example questions, it also retrieved 24% more relevant reference cases. Astra for Law will first be rolled out to a select group of U.S. law firms, appearing as GPT-6 Astra Law in ChatGPT and Codex, with an API to follow. Legal AI firms like Harvey and Legora will also be able to integrate it into their own products. OpenAI has also launched 26 legal industry plugins that can access professional legal data and tools from providers including Thomson Reuters, Relativity, and Clio.