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Daniela and Dario Amodei left OpenAI five years ago to form Anthropic. Since then, the Claude creator’s revenue has grown 10x annually for three straight years, with 85% coming from business customers — the inverse of OpenAI’s consumer-heavy model. Daniela Amodei, the company’s president and co-founder, has emerged as the operational counterweight to her brother Dario’s technical vision. CNBC’s MacKenzie Sigalos breaks down how Anthropic quietly rose to the top of the AI race.