Name: OpenAI
Author: OpenAI

OpenAI v1.10.0 — nugetz

Install-Package OpenAI

OPENAI_API_KEY=sk-aaaabbbbbccccddddd

// for example
OpenAIAPI api = new OpenAIAPI("YOUR_API_KEY"); // shorthand
// or
OpenAIAPI api = new OpenAIAPI(new APIAuthentication("YOUR_API_KEY")); // create object manually
// or
OpenAIAPI api = new OpenAIAPI(APIAuthentication LoadFromEnv()); // use env vars
// or
OpenAIAPI api = new OpenAIAPI(APIAuthentication LoadFromPath()); // use config file (can optionally specify where to look)
// or
OpenAIAPI api = new OpenAIAPI(); // uses default, env, or config file

// for example
OpenAIAPI api = new OpenAIAPI(new APIAuthentication("YOUR_API_KEY","org-yourOrgHere"));

var chat = api.Chat.CreateConversation();
chat.Model = Model.GPT4_Turbo;
chat.RequestParameters.Temperature = 0;

/// give instruction as System
chat.AppendSystemMessage("You are a teacher who helps children understand if things are animals or not.  If the user tells you an animal, you say \"yes\".  If the user tells you something that is not an animal, you say \"no\".  You only ever respond with \"yes\" or \"no\".  You do not say anything else.");

// give a few examples as user and assistant
chat.AppendUserInput("Is this an animal? Cat");
chat.AppendExampleChatbotOutput("Yes");
chat.AppendUserInput("Is this an animal? House");
chat.AppendExampleChatbotOutput("No");

// now let's ask it a question
chat.AppendUserInput("Is this an animal? Dog");
// and get the response
string response = await chat.GetResponseFromChatbotAsync();
Console.WriteLine(response); // "Yes"

// and continue the conversation by asking another
chat.AppendUserInput("Is this an animal? Chair");
// and get another response
response = await chat.GetResponseFromChatbotAsync();
Console.WriteLine(response); // "No"

// the entire chat history is available in chat.Messages
foreach (ChatMessage msg in chat.Messages)
{
	Console.WriteLine($"{msg.Role}: {msg.Content}");
}

var chat = api.Chat.CreateConversation();
chat.AppendUserInput("How to make a hamburger?");

await foreach (var res in chat.StreamResponseEnumerableFromChatbotAsync())
{
	Console.Write(res);
}

var chat = api.Chat.CreateConversation();
chat.AppendUserInput("How to make a hamburger?");

await chat.StreamResponseFromChatbotAsync(res =>
{
	Console.Write(res);
});

// the simplest form
var result = await api.Chat.CreateChatCompletionAsync("What is the primary non-white color in this logo?", ImageInput.FromFile("path/to/logo.png"));

// or in a conversation
var chat = api.Chat.CreateConversation();
chat.Model = Model.GPT4_Vision;
chat.AppendSystemMessage("You are a graphic design assistant who helps identify colors.");
chat.AppendUserInput("What are the primary non-white colors in this logo?", ImageInput.FromFile("path/to/logo.png"));
string response = await chat.GetResponseFromChatbotAsync();
Console.WriteLine(response); // "Blue and purple"
chat.AppendUserInput("What are the primary non-white colors in this logo?", ImageInput.FromImageUrl("https://rogerpincombe.com/templates/rp/center-aligned-no-shadow-small.png"));
response = await chat.GetResponseFromChatbotAsync();
Console.WriteLine(response); // "Blue, red, and yellow"

// or when manually creating the ChatMessage
messageWithImage = new ChatMessage(ChatMessageRole.User, "What colors do these logos have in common?");
messageWithImage.images.Add(ImageInput.FromFile("path/to/logo.png"));
messageWithImage.images.Add(ImageInput.FromImageUrl("https://rogerpincombe.com/templates/rp/center-aligned-no-shadow-small.png"));

// you can specify multiple images at once
chat.AppendUserInput("What colors do these logos have in common?", ImageInput.FromFile("path/to/logo.png"), ImageInput.FromImageUrl("https://rogerpincombe.com/templates/rp/center-aligned-no-shadow-small.png"));

chat.OnTruncationNeeded += (sender, args) =>
{
	// args is a List<ChatMessage> with the current chat history.  Remove or edit as nessisary.
	// replace this with more sophisticated logic for your use-case, such as summarizing the chat history
	for (int i = 0; i < args.Count; i++)
	{
		if (args[i].Role != ChatMessageRole.System)
		{
			args.RemoveAt(i);
			return;
		}
	}
};

async Task<ChatResult> CreateChatCompletionAsync(ChatRequest request);

// for example
var result = await api.Chat.CreateChatCompletionAsync(new ChatRequest()
	{
		Model = Model.ChatGPTTurbo,
		Temperature = 0.1,
		MaxTokens = 50,
		Messages = new ChatMessage[] {
			new ChatMessage(ChatMessageRole.User, "Hello!")
		}
	})
// or
var result = api.Chat.CreateChatCompletionAsync("Hello!");

var reply = results.Choices[0].Message;
Console.WriteLine($"{reply.Role}: {reply.Content.Trim()}");
// or
Console.WriteLine(results);

ChatRequest chatRequest = new ChatRequest()
{
	Model = model,
	Temperature = 0.0,
	MaxTokens = 500,
	ResponseFormat = ChatRequest.ResponseFormats.JsonObject,
	Messages = new ChatMessage[] {
		new ChatMessage(ChatMessageRole.System, "You are a helpful assistant designed to output JSON."),
		new ChatMessage(ChatMessageRole.User, "Who won the world series in 2020?  Return JSON of a 'wins' dictionary with the year as the numeric key and the winning team as the string value.")
	}
};

var results = await api.Chat.CreateChatCompletionAsync(chatRequest);
Console.WriteLine(results);
/* prints:
{
  "wins": {
	2020: "Los Angeles Dodgers"
  }
}
*/

async Task<CompletionResult> CreateCompletionAsync(CompletionRequest request);

// for example
var result = await api.Completions.CreateCompletionAsync(new CompletionRequest("One Two Three One Two", model: Model.CurieText, temperature: 0.1));
// or
var result = await api.Completions.CreateCompletionAsync("One Two Three One Two", temperature: 0.1);
// or other convenience overloads

IAsyncEnumerable<CompletionResult> StreamCompletionEnumerableAsync(CompletionRequest request);

// for example
await foreach (var token in api.Completions.StreamCompletionEnumerableAsync(new CompletionRequest("My name is Roger and I am a principal software engineer at Salesforce.  This is my resume:", Model.DavinciText, 200, 0.5, presencePenalty: 0.1, frequencyPenalty: 0.1)))
{
	Console.Write(token);
}

async Task StreamCompletionAsync(CompletionRequest request, Action<CompletionResult> resultHandler);

// for example
await api.Completions.StreamCompletionAsync(
	new CompletionRequest("My name is Roger and I am a principal software engineer at Salesforce.  This is my resume:", Model.DavinciText, 200, 0.5, presencePenalty: 0.1, frequencyPenalty: 0.1),
	res => ResumeTextbox.Text += res.ToString());

await api.TextToSpeech.SaveSpeechToFileAsync("Hello, brave new world!  This is a test.", outputPath);
// You can open it in the defaul audio player like this:
Process.Start(outputPath);

var request = new TextToSpeechRequest()
{
	Input = "Hello, brave new world!  This is a test.",
	ResponseFormat = ResponseFormats.AAC,
	Model = Model.TTS_HD,
	Voice = Voices.Nova,
	Speed = 0.9
};
await api.TextToSpeech.SaveSpeechToFileAsync(request, "test.aac");

using (Stream result = await api.TextToSpeech.GetSpeechAsStreamAsync("Hello, brave new world!", Voices.Fable))
using (StreamReader reader = new StreamReader(result))
{
	// do something with the audio stream here
}

string resultText = await api.Transcriptions.GetTextAsync("path/to/file.mp3");

AudioResultVerbose result = await api.Transcriptions.GetWithDetailsAsync("path/to/file.m4a");
Console.WriteLine(result.ProcessingTime.TotalMilliseconds); // 496ms
Console.WriteLine(result.text); // "Hello, this is a test of the transcription function."
Console.WriteLine(result.language); // "english"
Console.WriteLine(result.segments[0].no_speech_prob); // 0.03712
// etc

string result = await api.Transcriptions.GetAsFormatAsync("path/to/file.m4a", AudioRequest.ResponseFormats.SRT);

// inline
result = await api.Transcriptions.GetTextAsync("conversation.mp3", "en", "This is a transcript of a conversation between a medical doctor and her patient: ", 0.3);

// set defaults
api.Transcriptions.DefaultTranscriptionRequestArgs.Language = "en";

using (var audioStream = File.OpenRead("path-here.mp3"))
{
	return await api.Transcriptions.GetTextAsync(audioStream, "file.mp3");
}

string result = await api.Translations.GetTextAsync("chinese-example.m4a");

async Task<EmbeddingResult> CreateEmbeddingAsync(EmbeddingRequest request);

// for example
var result = await api.Embeddings.CreateEmbeddingAsync(new EmbeddingRequest("A test text for embedding", model: Model.AdaTextEmbedding));
// or
var result = await api.Embeddings.CreateEmbeddingAsync("A test text for embedding");

async Task<ModerationResult> CreateEmbeddingAsync(ModerationRequest request);

// for example
var result = await api.Moderation.CallModerationAsync(new ModerationRequest("A test text for moderating", Model.TextModerationLatest));
// or
var result = await api.Moderation.CallModerationAsync("A test text for moderating");

Console.WriteLine(result.results[0].MainContentFlag);

// uploading
async Task<File> UploadFileAsync(string filePath, string purpose = "fine-tune");

// for example
var response = await api.Files.UploadFileAsync("fine-tuning-data.jsonl");
Console.Write(response.Id); //the id of the uploaded file

// listing
async Task<List<File>> GetFilesAsync();

// for example
var response = await api.Files.GetFilesAsync();
foreach (var file in response)
{
	Console.WriteLine(file.Name);
}

async Task<ImageResult> CreateImageAsync(ImageGenerationRequest request);

// for example
var result = await api.ImageGenerations.CreateImageAsync(new ImageGenerationRequest("A drawing of a computer writing a test", 1, ImageSize._512));
// or
var result = await api.ImageGenerations.CreateImageAsync("A drawing of a computer writing a test");

Console.WriteLine(result.Data[0].Url);

async Task<ImageResult> CreateImageAsync(ImageGenerationRequest request);

// for example
var result = await api.ImageGenerations.CreateImageAsync(new ImageGenerationRequest("A drawing of a computer writing a test", OpenAI_API.Models.Model.DALLE3, ImageSize._1024x1792, "hd"));
// or
var result = await api.ImageGenerations.CreateImageAsync("A drawing of a computer writing a test", OpenAI_API.Models.Model.DALLE3);

Console.WriteLine(result.Data[0].Url);

OpenAIAPI api = OpenAIAPI.ForAzure("YourResourceName", "deploymentId", "api-key");
api.ApiVersion = "2023-03-15-preview"; // needed to access chat endpoint on Azure

OpenAIAPI api = new OpenAIAPI();
api.HttpClientFactory = myIHttpClientFactoryObject;

OpenAIOfficial/OpenAIv1.10.0

Get Started

Readme

C#/.NET SDK for accessing the OpenAI APIs, including GPT-3.5/4, GPT-3.5/4-Turbo, and DALL-E 2/3

Quick Example

Readme

Status

Requirements

Getting started

Install from NuGet

Authentication

Chat API

Chat Conversations

Chat Streaming

GPT Vision

Conversation History Context Length Management

Chat Endpoint Requests

JSON Mode

Completions API

Streaming

Audio

Text to Speech (TTS)

Transcription (Speech to Text)

Translations (Non-English Speech to English Text)

Embeddings

Moderation

Files (for fine-tuning)

Images

DALL-E 3

Azure

IHttpClientFactory

Documentation

License