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From a tense split to dueling IPOs: A timeline of Anthropic and OpenAI's rivalry

Summary by Business Insider
The feud between OpenAI Sam Altman and Anthropic CEO Dario Amodei started long before the viral photo of them refusing to join hands in unity.Ludovic MARIN / AFP via Getty ImagesSam Altman and Dario Amodei's feud has fueled the rivalry between OpenAI and Anthropic.Now, the two leading AI companies are marching toward hotly anticipated IPOs.Here's a brief history of the AI labs' fierce rivalry.AI's biggest rivalry has only gotten more public this…

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Business Insider broke the news in New York, United States on Monday, June 22, 2026.
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