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inference.nano-banana.img2img.v2

View markdown

The inference.nano-banana.img2img.v2 job transforms an input image guided by a text prompt using Gemini 2.5 Flash Image (Nano Banana).

{
    "type": "inference.nano-banana.img2img.v2",
    "config": {
        "prompt": "a serene mountain landscape at golden hour",
        "image": "reference.png"
    }
}

Additional configuration:

  • images (array)
  • aspect_ratio (string; one of auto, 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 21:9; default auto)
  • include_messages (boolean; default False)

This job type is also available under its partner alias inference.partner.nano-banana.img2img.v2.

Schema

Section titled “Schema”
{
  "type": "object",
  "required": [
    "type",
    "config"
  ],
  "additionalProperties": false,
  "properties": {
    "type": {
      "type": "string"
    },
    "config": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "prompt"
      ],
      "properties": {
        "images": {
          "type": "array",
          "minItems": 1,
          "maxItems": 3,
          "items": {
            "type": "string",
            "format": "filename",
            "example": "input.png",
            "description": "The filename of the input image."
          },
          "description": "Provide an image and use text prompts to add, remove, or modify elements, change the style, or adjust the color grading. Use multiple input images to compose a new scene or transfer the style from one image to another."
        },
        "prompt": {
          "type": "string",
          "minLength": 0,
          "maxLength": 2500,
          "examples": [
            "puppies in a cloud, 4k"
          ],
          "description": "A description of the desired output."
        },
        "aspect_ratio": {
          "type": "string",
          "default": "auto",
          "enum": [
            "auto",
            "1:1",
            "2:3",
            "3:2",
            "3:4",
            "4:3",
            "9:16",
            "16:9",
            "21:9"
          ],
          "description": "Aspect ratio of output."
        },
        "include_messages": {
          "type": "boolean",
          "default": false,
          "description": "Enable to include the model's messages in the output as message.txt files."
        }
      }
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}