(Delphi ActiveX) Referencing a Pre-Uploaded Image File by file_id in an AI Request

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Note: This example requires Chilkat v11.4.0 or greater.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
ai: TChilkatAi;
file_id: WideString;
sbResponse: TChilkatStringBuilder;

begin
success := 0;

success := 0;

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

ai := TChilkatAi.Create(Self);

// OpenAI is currently the only AI provider that supports referencing a pre-uploaded image by file_id
// in a request for text generation.
ai.Provider := 'openai';

// Use your provider's API key.
ai.ApiKey := 'MY_API_KEY';

// Choose a model.
ai.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.
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 = 0) then
  begin
    Memo1.Lines.Add(ai.LastErrorText);
    Exit;
  end;

// Get the text response.
sbResponse := TChilkatStringBuilder.Create(Self);
ai.GetOutputTextSb(sbResponse.ControlInterface);
Memo1.Lines.Add(sbResponse.GetAsString());
end;