Nano Banana 2 - Image Generation API

Generate images from text prompts or edit existing images using Google Nano Banana 2 (Gemini 3.1 Flash — gemini-3.1-flash-image-preview).

Key capabilities:

• Multi-size output: 512px, 1K, 2K, 4K
• Improved text rendering
• Multi-image input for editing and style transfer
• Multiple aspect ratios (1:1, 16:9, 9:16, etc.)

Requires Rebyte API auth — $AUTH_TOKEN and $API_URL are set up per the agent's system prompt; use them as Bearer token and base URL.

Text-to-Image Generation

Create an image from a text description.