Delphi DLL

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. Delphi DLL

var
success: Boolean;
ai: HCkAi;
file_id: PWideChar;
sbResponse: HCkStringBuilder;

begin
success := False;

success := False;

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

ai := CkAi_Create();

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

//  Use your provider's API key.
CkAi_putApiKey(ai,'MY_API_KEY');

//  Choose a model.
CkAi_putModel(ai,'gpt-5.6-luna');

//  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';
CkAi_InputAddImageFileId(ai,file_id,'application/json');

CkAi_InputAddText(ai,'What is in this image?');

//  Ask the AI for text output.
success := CkAi_Ask(ai,'text');
if (success = False) then
  begin
    Memo1.Lines.Add(CkAi__lastErrorText(ai));
    Exit;
  end;

//  Get the text response.
sbResponse := CkStringBuilder_Create();
CkAi_GetOutputTextSb(ai,sbResponse);
Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponse));

CkAi_Dispose(ai);
CkStringBuilder_Dispose(sbResponse);