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February 10, 2025

1 big thing: Paris AI summit's high stakes

Workers set up Sunday inside Paris' Grand Palais, where the AI Action Summit kicked off today. Photo: Ina Fried/Axios

2. Exclusive: Anthropic's "index" tracks AI use

Illustration: Allie Carl/Axios

3. Training data

4. + This

Photo: Ina Fried/Axios

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