The LegalWire logo: an orange-purple abstract mark to the left of white text on a dark navy background The LegalWire logo: an orange-purple abstract mark to the left of white text on a dark navy background

Thomson Reuters launches proprietary frontier model built on legal and tax data

Thomson Reuters has unveiled Thomson, its first proprietary large language model, developed in-house on a strong open-source foundation with a $40 million investment. Built using decades of authoritative content from Westlaw, Practical Law, Checkpoint, and Reuters, and shaped by hundreds of subject matter experts, the company says early evaluations put Thomson on par with leading frontier models at a fraction of typical cost. It has been trained on less than 10% of Thomson Reuters content to date. Thomson debuts in Tabular Analysis within CoCounsel Legal, with wider rollout planned across the legal and tax portfolio, and sovereign AI options to follow.

Click here for the official article/release

Disclaimer

The Legal Wire takes all necessary precautions to ensure that the materials, information, and documents on its website, including but not limited to articles, newsletters, reports, and blogs (“Materials”), are accurate and complete. Nevertheless, these Materials are intended solely for general informational purposes and do not constitute legal advice. They may not necessarily reflect the current laws or regulations. The Materials should not be interpreted as legal advice on any specific matter. Furthermore, the content and interpretation of the Materials and the laws discussed within are subject to change.

AI was used to generate part or all of this content - more information

Also Read:  Smarter AI for Law Firms: 8am™ Launches New 8am IQ Capabilities to Eliminate Blind Spots in Legal Data