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Google shut down Gemini 3 Pro Preview on March 9, 2026. The pinned gemini-3-pro-preview ID currently aliases to gemini-3.1-pro-preview; replace it explicitly before running.
gemini_3_pro.py

Run the Example

1

Set up your virtual environment

2

Install dependencies

3

Export your Google API key

4

Use Gemini 3.1 Pro Preview

Replace gemini-3-pro-preview with gemini-3.1-pro-preview in the saved Python file before running.
5

Run the example

Save the code above as gemini_3_pro.py, then run:
Full source: cookbook/90_models/google/gemini/gemini_3_pro.py