# Google: Gemini 3.1 Flash Image (Nano Banana 2)

Provider: Google AI (Gemini API)
Final price: $0.165/success
Success rate: 99.2%

Generate or edit one image with Gemini 3.1 Flash Image at 512px, 1K, 2K or 4K on Google's own API, from a prompt and optional reference images; the image returns inline as base64.

## Parameters

- model (string, required)
- fields (string, optional)

## Example

```curl
curl -X POST 'https://toolswitch.dev/v1/tools/google-ai.image-gen.gemini-3-1-flash-image?fields=candidates%28content%28parts%28text%2CinlineData%29%29%2CfinishReason%29%2CusageMetadata%2CmodelVersion%2CresponseId%2CpromptFeedback' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY" \
  -H "Content-Type: application/json" \
  --data-raw '{"contents":[{"parts":[{"text":"A clean editorial illustration of a paper airplane."}]}],"generationConfig":{"imageConfig":{"imageSize":"1K","aspectRatio":"1:1"},"responseModalities":["IMAGE"]}}'
```

[View on Toolswitch](https://toolswitch.dev/en/tools/google-ai.image-gen.gemini-3-1-flash-image)