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Discussion on: How to Use Claude 4 Opus & Sonnet with Cursor & Windsurf

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therealmrmumba profile image
Emmanuel Mumba

Yes, that’s correct — Claude 4 on Windsurf uses a BYOK (Bring Your Own Key) model. You’ll need to have API access to Claude 4 via Anthropic and then plug in your API key within Windsurf’s settings. Once set up, it should integrate seamlessly.

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Melroy van den Berg

Do we get f*ked by Anthropic though when using this feature in Windsurf? I heard from people that this way Anthropic is charging much more credits from users. Do you have experiences like that?