To use Open Interpreter with PaLM, you must pip install -q google-generativeai, then set the model flag in Open Interpreter: 
interpreter --model palm/chat-bison

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Required Environment Variables

Set the following environment variables (click here to learn how) to use these models.
Environment VariableDescriptionWhere to Find
PALM_API_KEYThe PaLM API key from Google Generative AI Developers dashboard.Google Generative AI Developers Dashboard