Thomson 1: The New $40M Legal AI Model | Thomson Reuters Joel Hron

Behind Thomson, the new legal AI model from Thomson Reuters, is a $40 million investment in people, compute, and evaluation methods. The final training run cost just $450,000. CTO Joel Hron, whose teams build Westlaw, Practical Law, and CoCounsel for millions of professionals in more than 100 countries, joined us for the launch to break down why the 175-year-old company chose to own its model layer instead of solely renting frontier intelligence. Full transcript and chapters: https://chainofthought.show/podcast/69-thomson-1-the-new-40m-legal-ai-model-thomson-reuters-joel-hron/ We cover: Why Th