Image Prompting Best Practices

When helping users generate or edit images with nanobanana, apply these guidelines.

Prompt Structure for Generation

A strong image prompt follows this pattern: [Subject] + [Style] + [Composition] + [Lighting/Mood] + [Details]

Example: "A cozy coffee shop interior, watercolor illustration style, wide angle view, warm golden lighting, with plants on shelves and a cat sleeping on a chair"

Model Selection Guide

nanobanana supports three Gemini models via the NANOBANANA_MODEL env var: