stable-diffusion-v1-5-img2img

Beta

Model ID: @cf/runwayml/stable-diffusion-v1-5-img2img

Stable Diffusion is a latent text-to-image diffusion model capable of generating photo-realistic images. Img2img generate a new image from an input image with Stable Diffusion.

Terms & License

Properties

Task Type: Text-to-Image

Code Examples

Workers - Typescript

export interface Env {
  AI: Ai;
}

export default {
  async fetch(request, env): Promise<Response> {

    // Picture of a dog
    const exampleInputImage = await fetch(
      "https://pub-1fb693cb11cc46b2b2f656f51e015a2c.r2.dev/dog.png"
    );

    const inputs = {
      prompt: "Change to a lion",
      image: [...new Uint8Array(await exampleInputImage.arrayBuffer())],
    };

    const response = await env.AI.run(
      "@cf/runwayml/stable-diffusion-v1-5-img2img",
      inputs
    );

    return new Response(response, {
      headers: {
        "content-type": "image/png",
      },
    });
  },
} satisfies ExportedHandler<Env>;

curl

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run/@cf/runwayml/stable-diffusion-v1-5-img2img  \
  -X POST  \
  -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN"  \
  -d '{ "prompt": "cyberpunk cat" }'

Response

The response is a binary PNG file.

API Schema

The following schema is based on JSON Schema

Input JSON Schema

{
  "type": "object",
  "properties": {
    "prompt": {
      "type": "string",
      "minLength": 1
    },
    "negative_prompt": {
      "type": "string"
    },
    "height": {
      "type": "integer",
      "maximum": 1024
    },
    "width": {
      "type": "integer",
      "maximum": 1024
    },
    "image": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "image_b64": {
      "type": "string"
    },
    "mask": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "num_steps": {
      "type": "integer",
      "default": 20,
      "maximum": 20
    },
    "strength": {
      "type": "number",
      "default": 1
    },
    "guidance": {
      "type": "number",
      "default": 7.5
    },
    "seed": {
      "type": "integer"
    }
  },
  "required": [
    "prompt"
  ]
}

Output JSON Schema

{
  "type": "string",
  "contentType": "image/png",
  "format": "binary"
}