Westlaw

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Thomson Reuters' legal research content and database product used for training and retrieval.

Why it's here

Placed in Assess: 1 article(s) of evidence from 2 source(s), led by model releases, with 0 in the last 30 days. Confidence 32%.

7Hacker News·8/24/2026model_release
Thomson Reuters builds its own legal AI model but still uses Anthropic
Thomson Reuters has trained a proprietary AI model, Thomson, on its legal, tax, compliance, and Reuters content to power features in products such as CoCounsel Legal. The company says the model competes well in benchmarks and is trained to flag uncertainty, but it still uses Anthropic’s Claude Agent SDK in other parts of its products and is not yet selling Thomson directly.