Java

Referencing a Pre-Uploaded Image File by file_id in an AI Request

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Currently, OpenAI is the only AI provider that supports referencing a pre-uploaded image in a request for text generation. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkAi ai = new CkAi();

    // OpenAI is currently the only AI provider that supports referencing a pre-uploaded image by file_id
    // in a request for text generation.
    ai.put_Provider("openai");

    // Use your provider's API key.
    ai.put_ApiKey("MY_API_KEY");

    // Choose a model.
    ai.put_Model("gpt-5-mini");

    // See the following example showing how to upload a file
    // Upload an Image File to an AI Provider

    // Use the file_id of the pre-uploaded file.
    String file_id = "file-5CnBeuFasqNcAfti3cx4Fe";
    ai.InputAddImageFileId(file_id,"application/json");

    ai.InputAddText("What is in this image?");

    // Ask the AI for text output.
    success = ai.Ask("text");
    if (success == false) {
        System.out.println(ai.lastErrorText());
        return;
        }

    // Get the text response.
    CkStringBuilder sbResponse = new CkStringBuilder();
    ai.GetOutputTextSb(sbResponse);
    System.out.println(sbResponse.getAsString());
  }
}