chat_gpt_sdk 2.1.1 copy "chat_gpt_sdk: ^2.1.1" to clipboard
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Published 12 months ago • Latest: 3.0.7
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create chat bot and other bot with ChatGPT SDK Support GPT-3.5 Turbo and SSE Generate Prompt

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ChatGPT Application with flutter #

ChatGPT is a chat-bot launched by OpenAI in November 2022. It is built on top of OpenAI's GPT-3.5 family of large language models, and is fine-tuned with both supervised and reinforcement learning techniques.

OpenAI Powerful Library #


GitHub commit activity GitHub contributors GitHub Repo stars GitHub Workflow Status GitHub


Features #

Install Package #

chat_gpt: 2.1.1

Create OpenAI Instance #

  • Parameter
    • Token
      • Your secret API keys are listed below. Please note that we do not display your secret API keys again after you generate them.
      • Do not share your API key with others, or expose it in the browser or other client-side code. In order to protect the security of your account, OpenAI may also automatically rotate any API key that we've found has leaked publicly.
      • https://beta.openai.com/account/api-keys
  • OrgId 
final openAI = OpenAI.instance.build(token: token,baseOption: HttpSetup(receiveTimeout: const Duration(seconds: 5)),isLogger: true);

Change Access Token #

openAI.setToken('new-token');

///get toekn
openAI.token;

Complete Text #

  • Text Complete API

    • Translate Method
      • translateEngToThai
      • translateThaiToEng
      • translateToJapanese
    • Model
      • kTranslateModelV3
      • kTranslateModelV2
      • kCodeTranslateModelV2
        • Translate natural language to SQL queries.
        • Create code to call the Stripe API using natural language.
        • Find the time complexity of a function.
    • https://beta.openai.com/examples

  • Complete with Feature

  void _translateEngToThai() async{
  final request = CompleteText(
          prompt: translateEngToThai(word: _txtWord.text.toString()),
          max_tokens: 200,
          model: Model.kTextDavinci3);

  final response = await openAI.onCompletion(request: request);
  
  ///cancel request
  openAI.cancelAIGenerate();
  print(response);
}
  • Complete with FutureBuilder
Future<CTResponse?>? _translateFuture;

_translateFuture = openAI.onCompletion(request: request);

///ui code
FutureBuilder<CTResponse?>(
 future: _translateFuture,
 builder: (context, snapshot) {
   final data = snapshot.data;
   if(snapshot.connectionState == ConnectionState.done) return something 
   if(snapshot.connectionState == ConnectionState.waiting) return something
   return something
})
  • GPT-3 with SSE
 void completeWithSSE() {
  final request = CompleteText(
          prompt: "Hello world", maxTokens: 200, model: Model.kTextDavinci3);
  openAI.onCompletionSSE(request: request).listen((it) {
    debugPrint(it.choices.last.text);
  });
}

Chat Complete (GPT-3.5 Turbo) #

  • Support SSE(Server Send Event)
    • GPT-3.5 Turbo
 void chatCompleteWithSSE() {
  final request = ChatCompleteText(messages: [
    Map.of({"role": "user", "content": 'Hello!'})
  ], maxToken: 200, model: ChatModel.chatGptTurboModel);

  openAI.onChatCompletionSSE(request: request).listen((it) {
    debugPrint(it.choices.last.message?.content);
  });
}
  • Chat Complete
  void chatComplete() async {
    final request = ChatCompleteText(messages: [
      Map.of({"role": "user", "content": 'Hello!'})
    ], maxToken: 200, model: ChatModel.chatGptTurbo0301Model);

    final response = await openAI.onChatCompletion(request: request);
    for (var element in response!.choices) {
      print("data -> ${element.message?.content}");
    }
  }

Q&A #

  • Example Q&A
    • Answer questions based on existing knowledge.
final request = CompleteText(prompt:'What is human life expectancy in the United States?'),
                model: Model.kTextDavinci3, maxTokens: 200);

 final response = await openAI.onCompletion(request:request);
  • Request
Q: What is human life expectancy in the United States?
  • Response
A: Human life expectancy in the United States is 78 years.

Generate Image With Prompt #

  • Generate Image

    • prompt
      • A text description of the desired image(s). The maximum length is 1000 characters.
    • n
      • The number of images to generate. Must be between 1 and 10.
    • size
      • The size of the generated images. Must be one of 256x256, 512x512, or 1024x1024.
    • response_format
      • The format in which the generated images are returned. Must be one of url or b64_json.
    • user
      • A unique identifier representing your end-user, which can help OpenAI to monitor and detect abuse.

  • Generate with feature

  void _generateImage() {
  const prompt = "cat eating snake blue red.";

  final request = GenerateImage(prompt, 1,size: ImageSize.size256,
          response_format: Format.url);;
  final response = openAI.generateImage(request);
  print("img url :${response.data?.last?.url}");
}

Edit #

  • Edit Prompt
void editPrompt() async {
    final response = await openAI.editor.prompt(EditRequest(
        model: EditModel.textEditModel,
        input: 'What day of the wek is it?',
        instruction: 'Fix the spelling mistakes'));

    print(response.choices.last.text);
  }
  • Edit Image
 void editImage() async {
  final response = await openAI.editor.editImage(EditImageRequest(
          image: EditFile("${image?.path}", '${image?.name}'),
          mask: EditFile('file path', 'file name'),
          size: ImageSize.size1024,
          prompt: 'King Snake'));

  print(response.data?.last?.url);
}
  • Variations
  void variation() async {
  final request =
  Variation(image: EditFile('${image?.path}', '${image?.name}'));
  final response = await openAI.editor.variation(request);

  print(response.data?.last?.url);
}

Cancel Generate #

  • Stop Generate Prompt
openAI.cancelAIGenerate();
  • Stop Edit
    • image
    • prompt
openAI.edit.cancelEdit();
  • Stop Embedding
openAI.embed.cancelEmbedding();
  • Stop Audio
    • translate
    • transcript
openAI.audio.cancelAudio();
  • Stop File
    • upload file
    • get file
    • delete file
openAI.file.cancelFile();

File #

  • Get File
void getFile() async {
  final response = await openAI.file.get();
  print(response.data);
}
  • Upload File
void uploadFile() async {
  final request = UploadFile(file: EditFile('file-path', 'file-name'),purpose: 'fine-tune');
  final response = await openAI.file.uploadFile(request);
  print(response);
}
  • Delete File
  void delete() async {
  final response = await openAI.file.delete("file-Id");
  print(response);
}
  • Retrieve File
  void retrieve() async {
  final response = await openAI.file.retrieve("file-Id");
  print(response);
}
  • Retrieve Content File
  void retrieveContent() async {
  final response = await openAI.file.retrieveContent("file-Id");
  print(response);
}

Audio #

  • Audio Translate
void audioTranslate() async {
  final mAudio = File('mp3-path');
  final request =
  AudioRequest(file: EditFile(mAudio.path, 'name'), prompt: '...');

  final response = await openAI.audio.translate(request);
}
  • Audio Transcribe
void audioTranscribe() async {
  final mAudio = File('mp3-path');
  final request =
  AudioRequest(file: EditFile(mAudio.path, 'name'), prompt: '...');

  final response = await openAI.audio.transcribes(request);
}

Embedding #

  • Embedding
void embedding() async {
  final request = EmbedRequest(
          model: EmbedModel.embedTextModel,
          input: 'The food was delicious and the waiter');

  final response = await openAI.embed.embedding(request);

  print(response.data.last.embedding);
}

Fine Tune #

  • Create Fine Tune
void createTineTune() async {
  final request = CreateFineTune(trainingFile: 'The ID of an uploaded file');
  final response = await openAI.fineTune.create(request);
}
  • Fine Tune List
 void tineTuneList() async {
    final response = await openAI.fineTune.list();
  }
  • Fine Tune List Stream (SSE)
 void tineTuneListStream() {
    openAI.fineTune.listStream('fineTuneId').listen((it) {
      ///handled data
    });
  }
  • Fine Tune Get by Id
void tineTuneById() async {
    final response = await openAI.fineTune.retrieve('fineTuneId');
  }
  • Cancel Fine Tune
  void tineTuneCancel() async {
    final response = await openAI.fineTune.cancel('fineTuneId');
  }
  • Delete Fine Tune
 void deleteTineTune() async {
    final response = await openAI.fineTune.delete('model');
  }

Moderations #

  • Create Moderation
  void createModeration() async {
  final response = await openAI.moderation
          .create(input: 'input', model: ModerationModel.textLast);
}

Model&Engine #

final models = await openAI.listModel();

final engines = await openAI.listEngine();

Flutter Example #

class TranslateScreen extends StatefulWidget {
  const TranslateScreen({Key? key}) : super(key: key);
  @override
  State<TranslateScreen> createState() => _TranslateScreenState();
}

class _TranslateScreenState extends State<TranslateScreen> {
  /// text controller
  final _txtWord = TextEditingController();

  late OpenAI openAI;


  Future<CTResponse?>? _translateFuture;
  void _translateEngToThai() async {
    final request = CompleteText(
            prompt: translateEngToThai(word: _txtWord.text.toString()),
            maxTokens: 200,
            model: Model.kTextDavinci3);

    _translateFuture = openAI.onCompletion(request: request);

  }


  @override
  void initState() {
    openAI = OpenAI.instance.build(
            token: token,
            baseOption: HttpSetup(
                    receiveTimeout: const Duration(seconds: 20),
                    connectTimeout: const Duration(seconds: 20)),
            isLog: true);
    super.initState();
  }


  @override
  Widget build(BuildContext context) {
    var size = MediaQuery.of(context).size;
    return Scaffold(
      backgroundColor: Colors.white,
      body: SingleChildScrollView(
        child: Center(
          child: Padding(
            padding: const EdgeInsets.symmetric(vertical: 16.0),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                /**
                 * title translate
                 */
                _titleCard(size),
                /**
                 * input card
                 * insert your text for translate to th.com
                 */
                _inputCard(size),

                /**
                 * card input translate
                 */
                _resultCard(size),
                /**
                 * button translate
                 */
                _btnTranslate()
              ],
            ),
          ),
        ),
      ),
      bottomNavigationBar: _navigation(size),
    );
  }

  Widget _btnTranslate() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.end,
      children: [
        Padding(
                padding: const EdgeInsets.only(right: 16.0),
                child: MaterialButtonX(
                        message: "Translate",
                        height: 40.0,
                        width: 130.0,
                        color: Colors.blueAccent,
                        icon: Icons.translate,
                        iconSize: 18.0,
                        radius: 46.0,
                        onClick: () => _translateEngToThai())),
      ],
    );
  }

  Widget _resultCard(Size size) {
    return FutureBuilder<CTResponse?>(
      future: _translateFuture,
      builder: (context, snapshot) {
        final text = snapshot.data?.choices.last.text ?? "Loading...";
        return Container(
          margin: const EdgeInsets.symmetric(vertical: 32.0),
          padding: const EdgeInsets.symmetric(horizontal: 16.0),
          alignment: Alignment.bottomCenter,
          width: size.width * .86,
          height: size.height * .3,
          decoration: heroCard,
          child: SingleChildScrollView(
            child: Column(
              children: [
                Text(
                  text,
                  style: const TextStyle(color: Colors.black, fontSize: 18.0),
                ),
                SizedBox(
                  width: size.width,
                  child: const Divider(
                    color: Colors.grey,
                    thickness: 1,
                  ),
                ),
                Padding(
                  padding: const EdgeInsets.all(12.0),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.end,
                    children: const [
                      Icon(
                        Icons.copy_outlined,
                        color: Colors.grey,
                        size: 22.0,
                      ),
                      Padding(
                        padding: EdgeInsets.symmetric(horizontal: 8.0),
                        child: Icon(
                          Icons.delete_forever,
                          color: Colors.grey,
                          size: 22.0,
                        ),
                      )
                    ],
                  ),
                )
              ],
            ),
          ),
        );
      },
    );
  }

  Padding _navigation(Size size) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 16.0, horizontal: 18.0),
      child: Container(
        width: size.width * .8,
        height: size.height * .06,
        decoration: heroNav,
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceAround,
          children: [
            Container(
              padding: const EdgeInsets.all(4.0),
              decoration: BoxDecoration(
                      color: Colors.indigoAccent,
                      borderRadius: BorderRadius.circular(50.0)),
              child: const Icon(
                Icons.translate,
                color: Colors.white,
                size: 22.0,
              ),
            ),
            const Icon(
              Icons.record_voice_over_outlined,
              color: Colors.indigoAccent,
              size: 22.0,
            ),
            const Icon(
              Icons.favorite,
              color: Colors.indigoAccent,
              size: 22.0,
            ),
            const Icon(
              Icons.person,
              color: Colors.indigoAccent,
              size: 22.0,
            )
          ],
        ),
      ),
    );
  }

  Widget _titleCard(Size size) {
    return Container(
      margin: const EdgeInsets.symmetric(vertical: 32.0),
      width: size.width * .86,
      height: size.height * .08,
      decoration: heroCard,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          Row(
            children: [
              ClipRRect(
                borderRadius: BorderRadius.circular(30),
                child: Image.network(
                  "https://www.clipartmax.com/png/middle/200-2009207_francais-english-italiano-english-flag-icon-flat.png",
                  fit: BoxFit.cover,
                  width: 30.0,
                  height: 30.0,
                ),
              ),
              const Padding(
                padding: EdgeInsets.symmetric(horizontal: 4.0),
                child: Text(
                  "Eng",
                  style: TextStyle(color: Colors.grey, fontSize: 12.0),
                ),
              ),
              Transform.rotate(
                angle: -pi / 2,
                child: const Icon(
                  Icons.arrow_back_ios_new,
                  size: 16.0,
                  color: Colors.grey,
                ),
              )
            ],
          ),
          const Padding(
            padding: EdgeInsets.symmetric(horizontal: 12.0),
            child: Icon(
              Icons.swap_horiz_outlined,
              color: Colors.grey,
              size: 22.0,
            ),
          ),
          Row(
            children: [
              ClipRRect(
                borderRadius: BorderRadius.circular(30),
                child: Image.network(
                  "https://cdn-icons-png.flaticon.com/512/197/197452.png",
                  fit: BoxFit.cover,
                  width: 30.0,
                  height: 30.0,
                ),
              ),
              const Padding(
                padding: EdgeInsets.symmetric(horizontal: 4.0),
                child: Text(
                  "Thai",
                  style: TextStyle(color: Colors.grey, fontSize: 12.0),
                ),
              ),
              Transform.rotate(
                angle: -pi / 2,
                child: const Icon(
                  Icons.arrow_back_ios_new,
                  size: 16.0,
                  color: Colors.grey,
                ),
              )
            ],
          )
        ],
      ),
    );
  }

  Widget _inputCard(Size size) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16.0),
      alignment: Alignment.bottomCenter,
      width: size.width * .86,
      height: size.height * .25,
      decoration: heroCard,
      child: SingleChildScrollView(
        child: Column(
          children: [
            TextField(
              decoration: const InputDecoration(
                      border: InputBorder.none,
                      enabledBorder: InputBorder.none,
                      disabledBorder: InputBorder.none),
              controller: _txtWord,
              maxLines: 6,
              textInputAction: TextInputAction.newline,
              keyboardType: TextInputType.multiline,
            ),
            SizedBox(
              width: size.width,
              child: const Divider(
                color: Colors.grey,
                thickness: 1,
              ),
            ),
            Padding(
              padding: const EdgeInsets.all(12.0),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.end,
                children: const [
                  Icon(
                    Icons.copy_outlined,
                    color: Colors.grey,
                    size: 22.0,
                  ),
                  Padding(
                    padding: EdgeInsets.symmetric(horizontal: 8.0),
                    child: Icon(
                      Icons.record_voice_over_outlined,
                      color: Colors.grey,
                      size: 22.0,
                    ),
                  )
                ],
              ),
            )
          ],
        ),
      ),
    );
  }
}

Video Tutorials #

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Metadata

create chat bot and other bot with ChatGPT SDK Support GPT-3.5 Turbo and SSE Generate Prompt

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License

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Dependencies

dio, flutter, http_parser

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