Lazarus Pascal

OpenAI (ChatGPT) List Models

See more OpenAI ChatGPT Examples

Show how to list available OpenAI models and shows how to parse the JSON model information. Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.StringBuilder,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  id: string;
  created: Integer;
  owned_by: string;
  root: string;
  parent: string;
  j: Integer;
  count_j: Integer;
  allow_create_engine: Boolean;
  allow_sampling: Boolean;
  allow_logprobs: Boolean;
  allow_search_indices: Boolean;
  allow_view: Boolean;
  allow_fine_tuning: Boolean;
  organization: string;
  group: string;
  is_blocking: Boolean;
  v_object: string;
  i: Integer;
  count_i: Integer;

begin
  success := False;

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

  http := THttp.Create;

  //  Implements the following CURL command:

  //  curl https://api.openai.com/v1/models \
  //    -H "Authorization: Bearer $OPENAI_API_KEY"

  //  Use the following online tool to generate HTTP code from a CURL command
  //  Convert a cURL Command to HTTP Source Code

  //  Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
  //  This is NOT a real key.  Change the "sk-vi...." to your own key.
  http.AuthToken := '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';

  sbResponseBody := TStringBuilder.Create;
  success := http.QuickGetSb('https://api.openai.com/v1/models',sbResponseBody);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);
  jResp.EmitCompact := False;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  respStatusCode := http.LastStatus;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(http.LastHeader);
      WriteLn('Failed.');
      Exit;
    end;

  //  Sample JSON response:
  //  (Sample code for parsing the JSON response is shown below)

  //  {
  //    "object": "list",
  //    "data": [
  //      {
  //        "id": "babbage",
  //        "object": "model",
  //        "created": 1649358449,
  //        "owned_by": "openai",
  //        "permission": [
  //          {
  //            "id": "modelperm-49FUp5v084tBB49tC4z8LPH5",
  //            "object": "model_permission",
  //            "created": 1669085501,
  //            "allow_create_engine": false,
  //            "allow_sampling": true,
  //            "allow_logprobs": true,
  //            "allow_search_indices": false,
  //            "allow_view": true,
  //            "allow_fine_tuning": false,
  //            "organization": "*",
  //            "group": null,
  //            "is_blocking": false
  //          }
  //        ],
  //        "root": "babbage",
  //        "parent": null
  //      },
  //      {
  //        "id": "davinci",
  //        "object": "model",
  //        "created": 1649359874,
  //        "owned_by": "openai",
  //        "permission": [
  //          {
  //            "id": "modelperm-U6ZwlyAd0LyMk4rcMdz33Yc3",
  //            "object": "model_permission",
  //            "created": 1669066355,
  //            "allow_create_engine": false,
  //            "allow_sampling": true,
  //            "allow_logprobs": true,
  //            "allow_search_indices": false,
  //            "allow_view": true,
  //            "allow_fine_tuning": false,
  //            "organization": "*",
  //            "group": null,
  //            "is_blocking": false
  //          }
  //        ],
  //        "root": "davinci",
  //        "parent": null
  //      },
  //  ...
  //  ...

  //  Sample code for parsing the JSON response...
  //  Use the following online tool to generate parsing code from sample JSON:
  //  Generate Parsing Code from JSON

  v_object := jResp.StringOf('object');
  i := 0;
  count_i := jResp.SizeOfArray('data');
  while i < count_i do
    begin
      jResp.I := i;
      id := jResp.StringOf('data[i].id');
      v_object := jResp.StringOf('data[i].object');
      created := jResp.IntOf('data[i].created');
      owned_by := jResp.StringOf('data[i].owned_by');
      root := jResp.StringOf('data[i].root');
      parent := jResp.StringOf('data[i].parent');
      j := 0;
      count_j := jResp.SizeOfArray('data[i].permission');
      while j < count_j do
        begin
          jResp.J := j;
          id := jResp.StringOf('data[i].permission[j].id');
          v_object := jResp.StringOf('data[i].permission[j].object');
          created := jResp.IntOf('data[i].permission[j].created');
          allow_create_engine := jResp.BoolOf('data[i].permission[j].allow_create_engine');
          allow_sampling := jResp.BoolOf('data[i].permission[j].allow_sampling');
          allow_logprobs := jResp.BoolOf('data[i].permission[j].allow_logprobs');
          allow_search_indices := jResp.BoolOf('data[i].permission[j].allow_search_indices');
          allow_view := jResp.BoolOf('data[i].permission[j].allow_view');
          allow_fine_tuning := jResp.BoolOf('data[i].permission[j].allow_fine_tuning');
          organization := jResp.StringOf('data[i].permission[j].organization');
          group := jResp.StringOf('data[i].permission[j].group');
          is_blocking := jResp.BoolOf('data[i].permission[j].is_blocking');
          j := j + 1;
        end;

      i := i + 1;
    end;



  http.Free;
  sbResponseBody.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.