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Thomson Reuters
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- Models & capabilities 2
- Courts & copyright 1
- Open weights & ecosystem 1
Appeals court rules training a rival AI on Westlaw headnotes was not fair use
The Third Circuit's unanimous opinion is the first by a US appeals court on AI training, but it confined itself to a non-generative tool built to compete with Westlaw.
Courts & copyright
OpenAI launches Astra for Law
OpenAI reported 54.0% accuracy on Vals AI's Legal Research Bench with the configured system, against 38.7% for plain GPT-6 Astra using web search.
Models & capabilities
Thomson Reuters launches an in-house AI model built on open weights
Thomson Reuters said the model cost about $40 million to build atop open weights rather than pretraining from scratch, and put a smaller variant on Hugging Face.
Models & capabilities · Open weights & ecosystem