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The Tale of Windsurf, Anthropic, and the Battle of the AI Titans

The Tale of Windsurf, Anthropic, and the Battle of the AI Titans

In a plot twist worthy of a Silicon Valley drama series, Windsurf, the AI-powered coding startup recently acquired by OpenAI for a jaw-dropping $3 billion, found itself in the crosshairs of Anthropic, a rival AI powerhouse. On June 3, 2025, Varun Mohan, the CEO of Windsurf, took to X (formerly known as Twitter) to reveal that Anthropic had abruptly slashed Windsurf’s access to its Claude 3.5 and 3.7 Sonnet models. What makes this story juicier than a techie soap opera is that this decision came with less than five days' notice, leaving Windsurf scrambling to find alternative solutions to keep its services afloat. Let’s dive into the nitty-gritty of this saga and its implications for the industry.

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