Is Thomson Reuters (TSX:TRI) Building a Defensible Edge by Owning Its Own Legal AI?

Earlier this month, Thomson Reuters launched “Thomson,” its first in-house large language model, alongside a next-generation CoCounsel Legal platform and deeper integrations with partners including iManage, Anthropic, AWS and Reveal. The move signals Thomson Reuters’ push to own not just legal and tax content but also the underlying AI models that power professional workflows, with an emphasis on fiduciary-grade, domain-specific automation. Next, we’ll examine how owning the Thomson LLM...