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Applied AI·June 22, 2026·1 min read

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

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The Anthropic–OpenAI split has hardened into two distinct governance and product philosophies, each now on a path toward public markets. For enterprise buyers, that rivalry is less about drama and more about lock-in risk and which alignment and deployment model you want to compound with over a 5–10 year horizon.