Nano Banana A single Python entrypoint for Gemini-native Nano Banana image generation and editing, with model aliases, strict option validation, batch runs, and custom endpoint support. Workflow 1. Open references/config.md to choose environment variables and override order. 2. Open references/models-and-api.md to pick the right Nano Banana tier and check model-specific constraints. 3. Prefer ( ) unless you need either the fastest low-cost default ( ) or the highest-fidelity reasoning model ( ). 4. Run for one request or for repeated variants. 5. Add first when the main risk is the payload sh…