Anthropic cut AI coding assistant Windsurf's direct access to its Claude models after media reported that rival OpenAI [1]plans to acquire the startup for $3 billion . Anthropic co-founder Jared Kaplan told TechCrunch that " [2]it would be odd for us to be selling Claude to OpenAI ," explaining the decision to cut access to Claude 3.5 Sonnet and Claude 3.7 Sonnet models.



[1] https://slashdot.org/story/25/05/06/0152211/openai-reaches-agreement-to-buy-startup-windsurf-for-3-billion

[2] https://techcrunch.com/2025/06/05/anthropic-co-founder-on-cutting-access-to-windsurf-it-would-be-odd-for-us-to-sell-claude-to-openai/