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Overview

Nano Banana is varg’s recommended default image model, powered by Google Gemini. It excels at both text-to-image generation and reference-based image editing. Two generations are available:

Quick start

Capabilities

Text-to-image

Generate images from text descriptions:

Image editing

Edit an existing image using a text prompt and reference image:
nano-banana-pro/edit requires an input image. Plain text prompts without a reference image will fail.

Multi-image reference

Provide up to 14 reference images for complex editing:

Nano Banana 2 (next-gen)

The Gen 2 model supports auto aspect ratio and web search capabilities:
cURL

Parameters

string | { text: string, images: Image[] }
required
Text prompt for generation. For editing, provide { text, images } with reference images.
string
default:"1:1"
Output aspect ratio. Supported: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16. Nano Banana 2 also supports "auto".
array
Array of { url: string } objects for reference images (API). Up to 14 images for pro, up to 6 for Nano Banana 2.
object
Supports resolution ("1K", "2K", "4K" — default varies by model), safety_filter_level, web_search (Nano Banana 2 only).

Pricing

The cheapest image generation with the best quality-to-cost ratio.

Tips

  • Use Nano Banana as your default image model. At 5 credits, it’s the best value for text-to-image.
  • Image editing is the killer feature. Generate a base image, then iteratively refine with /edit.
  • Perfect for video reference frames. Generate an image with Nano Banana, then animate with Kling V3 or Seedance 2.
  • Multi-image prompts let you combine characters, transfer styles, or composite scenes.
  • 4K resolution is available via provider options for hero images that need maximum detail.

Flux

Alternative image generation. Flux Pro for highest quality.

Phota

Identity-preserving generation with profile-based control.

Grok Imagine Image

Cheapest image model at 3 credits.

Seedance 2

Animate your Nano Banana images with Seedance image-to-video.