openai/openai-dotnet

using NUnit.Framework;
using OpenAI.Chat;
using System;
using System.Threading.Tasks;

namespace OpenAI.Examples;

public partial class ChatExamples
{
    [Test]
    public async Task Example01_SimpleChatAsync()
    {
        ChatClient client = new(model: "gpt-4o", Environment.GetEnvironmentVariable("OPENAI_API_KEY"));

        ChatCompletion completion = await client.CompleteChatAsync("Say 'this is a test.'");

        Console.WriteLine($"{completion}");
    }
}