xAI Exposed for Using Claude Output Data to Train Coding Model, Shifted Underground After Anthropic Revoked Access
Elon Musk's AI company xAI was exposed for using data from Anthropic's Claude model to train the Grok coding model. Despite Anthropic revoking its API access in January 2026, xAI engineers secretly extracted data through personal accounts and third-party service Blackbox AI. Musk previously admitted in court that xAI partially "used this data."
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