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llava-1.5-7b-hf Beta

Image-to-Text • llava-hf
@cf/llava-hf/llava-1.5-7b-hf

LLaVA is an open-source chatbot trained by fine-tuning LLaMA/Vicuna on GPT-generated multimodal instruction-following data. It is an auto-regressive language model, based on the transformer architecture.

    Usage

    Workers - TypeScript

     
    export interface Env {
      AI: Ai;
    }
    

    

    export default {
      async fetch(request: Request, env: Env): Promise<Response> {
        const res = await fetch("https://cataas.com/cat");
        const blob = await res.arrayBuffer();
        const input = {
          image: [...new Uint8Array(blob)],
          prompt: "Generate a caption for this image",
          max_tokens: 512,
        };
        const response = await env.AI.run(
          "@cf/llava-hf/llava-1.5-7b-hf",
          input
          );
        return new Response(JSON.stringify(response));
      },
    } satisfies ExportedHandler<Env>;

    Parameters

    Input

    • 0 string

      Binary string representing the image contents.

    • 1 object

      • temperature number

        Controls the randomness of the output; higher values produce more random results.

      • prompt string

        The input text prompt for the model to generate a response.

      • raw boolean

        If true, a chat template is not applied and you must adhere to the specific model's expected formatting.

      • image one of

        • 0 array

          An array of integers that represent the image data constrained to 8-bit unsigned integer values

          • items number

            A value between 0 and 255

        • 1 string

          Binary string representing the image contents.

      • max_tokens integer default 512

        The maximum number of tokens to generate in the response.

    Output

    • description string

    API Schemas

    The following schemas are based on JSON Schema

    {
        "oneOf": [
            {
                "type": "string",
                "format": "binary",
                "description": "Binary string representing the image contents."
            },
            {
                "type": "object",
                "properties": {
                    "temperature": {
                        "type": "number",
                        "description": "Controls the randomness of the output; higher values produce more random results."
                    },
                    "prompt": {
                        "type": "string",
                        "description": "The input text prompt for the model to generate a response."
                    },
                    "raw": {
                        "type": "boolean",
                        "default": false,
                        "description": "If true, a chat template is not applied and you must adhere to the specific model's expected formatting."
                    },
                    "image": {
                        "oneOf": [
                            {
                                "type": "array",
                                "description": "An array of integers that represent the image data constrained to 8-bit unsigned integer values",
                                "items": {
                                    "type": "number",
                                    "description": "A value between 0 and 255"
                                }
                            },
                            {
                                "type": "string",
                                "format": "binary",
                                "description": "Binary string representing the image contents."
                            }
                        ]
                    },
                    "max_tokens": {
                        "type": "integer",
                        "default": 512,
                        "description": "The maximum number of tokens to generate in the response."
                    }
                },
                "required": [
                    "image"
                ]
            }
        ]
    }
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