I had Gemini hardcoded into every AI function in my codebase. Then a beta user told me her clients have data policies about Google. I rebuilt the whole AI layer in two days.

Source: [Dev.to](https://dev.to/__615f3acc0/how-i-built-a-switchable-ai-provider-system-in-nextjs-gemini-gpt-4-claude-one-workspace-pjk)

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