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Thomson Reuters launched a proprietary legal AI model and set it as the default for tabular analysis in CoCounsel Legal

Model release Provisional 84% confidence first seen

Thomson Reuters introduced its own proprietary large language model for legal work, after spending about $40 million on training. The company deployed the model first in CoCounsel Legal’s Tabular Analysis and made it the default for that task, while continuing to use third-party frontier models for other parts of the product and adding verification steps. Thomson Reuters also indicated plans for broader testing and a smaller open-weight release.

Thomson Thomson Reuters Anthropic CoCounsel Legal CoCounsel Legal AI SiliconANGLE Tabular Analysis

Source coverage

Thomson Reuters trained its own AI model. Then it kept using Anthropic’s anyway. The New Stack Thomson Reuters launches proprietary AI model for legal work SiliconANGLE independent

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