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Changelog Update

Mar 24, 2026
Windsurf/Windsurf EditorIDE
  • You can now bring your own API Key from Anthropic to use the Claude 4 Sonnet, Claude 4 Sonnet (Thinking), Claude 4 Opus, and Claude 4 Opus (Thinking) models in Cascade
  • To use BYOK, go to provide API keys and input your key
  • Once entered, go back to Windsurf and reload the window. You should now be able to use the new models
  • This is only available for Free and Pro users at this time