Nano Banana 2 Lite is Google's fastest and cheapest Gemini image model. Generate from text or restyle existing images with natural-language instructions. Feed up to 14 reference images for identity locking, style transfer, or multi-image composites. Choose from 11 aspect ratios including 21:9, 4:3, 1:1, 9:16, plus Auto. Toggle Thinking Level between Minimal (fastest) and High (best reasoning). Batch 1 to 4 outputs per run. Best for storyboards, high-volume marketing variants, thumbnails, and fast product mockups.