US EditionWindsurf Says Anthropic Is Limiting Its Direct Access to Claude AI Models
- AI startup Windsurf lost nearly all first-party access to Anthropic's Claude 3.x models with less than five days' notice in May 2025.
- Anthropic released advanced Claude Opus 4 and Sonnet 4 models last month but did not grant Windsurf direct access while giving other apps immediate access.
- Windsurf must rely on more costly third-party compute providers and a 'bring your own key' workaround, which complicates developer access and may cause short-term availability issues.
- Windsurf CEO Varun Mohan expressed disappointment that Anthropic abruptly cut off their first-party access with under five days' warning, impacting users and developers.
- The access reduction may stunt Windsurf's growth amid rapid AI coding platform competition, as it tries to catch up with more popular tools like GitHub Copilot and Cursor.
15 Articles
15 Articles
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.
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…
Not long after it became known that OpenAI Windsurf, the manufacturer of an AI-supported coding assistant for software developers, wants to take over, competitor Anthropic has terminated the tool's access to its models of the Claude-3.x series. As Windsurf announces, they had only a week's advance. Therefore, as an immediate measure, they saw themselves forced to purchase the Gemini 2.5 Pro model at a discounted price.
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