Windsurf Says Anthropic Is Limiting Its Direct Access to Claude AI Models
- Anthropic abruptly curtailed nearly all direct usage rights for Windsurf on the Claude 3.x series of AI models, providing less than five days' advance warning as of June 4, 2025.
- This decision followed Anthropic's recent launch of the advanced Claude Sonnet 4 and Opus 4 models, which Windsurf was not granted direct access to.
- Windsurf, a widely adopted AI-focused IDE recently acquired by OpenAI, now depends on pricier and more complex third-party solutions to operate Claude models after losing direct access.
- CEO Varun Mohan expressed disappointment over the short notice and alleged deliberate blocking of Windsurf users from new Claude models, while acknowledging short-term capacity issues are being addressed.
- The restricted access may slow Windsurf's growth and user experience temporarily, highlighting tensions between Anthropic and a competitor-backed startup amid a heated AI coding market.
15 Articles
15 Articles
Windsurf alleges Anthropic is restricting direct access to Claude AI models
Vibe-coding startup Windsurf revealed that Anthropic significantly reduced its first-party access to its Claude 3.7 Sonnet and Claude 3.5 Sonnet AI models. According to Windsurf CEO Varun Mohan, Anthropic gave little notice to Windsurf — which is reportedly being acquired by OpenAI — before making this change. “We have been very clear to Anthropic that this is not our desire — we wanted to pay them for the full capacity,” said Mohan on X. “We ar…
Software developers take note, Windsurf CEO Varun Mohan slams Anthropic over Claude access
Windsurf is a popular AI-native IDE (Integrated Development Environment) which is used by over a million developers globally - it was recently acquired by OpenAI, which is a competitor to Amazon-backed Anthropic.
Anthropic Extends Block for Windsurf, Ends First-Party Capacity
Anthropic has cut off first-party access to Claude 3.x models on the AI coding tool Windsurf, forcing the platform to limit usage and pivot to alternative methods with less than a week’s notice. Windsurf, in a statement on Tuesday, said it lost nearly all direct Claude 3.x capacity, including Claude 3.5 Sonnet, 3.7 Sonnet, and 3.7 Sonnet (thinking) after Anthropic’s abrupt move. Some capacity remains via third-party inference providers, but not …
TechCrunch
technewstube.comWindsurf says Anthropic is limiting its direct access to Claude AI models
The CEO of Windsurf, a popular AI-assisted coding tool, said Anthropic is limiting its direct access to certain AI models.
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