OpenAI Fetcher

Class library to incorporate OpenAI in your .NET application.

Changelog

0.1.8 - .NET8 + streamelined code

0.1.3 - More options

Added

• More options: [Other settings]
• Changed default model to gpt-3.5-turbo-1106

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Use

Fetch data

Replace ’apiKey’ with your OpenAI API key. Replace 'instruction' and 'input' with your specific requirements.

var fetcher = new OpenAi.OpenAiApiFetcher(apiKey, "Return the 3 biggest cities of the country", "Sweden");

Change default model

Default setting is GPT-3.5-turbo. But you can select GPT-4 or GPT-4-1106-preview.

fetcher.Model = GptModels.Gpt4

Custom model

fetcher.Model = GptModels.Custom = "custom-model";

Other settings

You can also change Temprature, JsonMode* and token size.

Temp

Temp can be set between 0 and 1, where 0 will give little/none variation in the response, and 1 give more variation. Between 0.6 - 0.9 is recommended for creative tasks.

fetcher.Temp = 0.7 

JsonMode

Json mode is available with GPT-3.5-turbo-1106 and gpt-4-1106-preview (Gpt35T and Gpt4T)

fetcher.JsonMode = true

Token Size

Max size for context window. (Read OpenAi docs for limitations)

fetcher.TokenSize = 1000

Default settings

• Model: gpt-3.5-turbo-1106
• Temp: 0
• JsonMode: false
• TokenSize: 500

Results

You can get results returned as a JSON string or strongly-typed as GptResponse

Strongly-typed

GptResponse response = await fetcher.FetchCompletionsAsync(); 
var gptChoises = response.Choices[0];

Result

gptChoises.Message.Content:

1. Stockholm - The capital and largest city of Sweden, with a population of approximately 975,000 people.
2. Gothenburg - The second-largest city in Sweden, with a population of around 590,000 people.
3. Malmö - The third-largest city in Sweden, with a population of about 320,000 people.

JSON string

string result = await fetcher.FetchCompletionsJsonAsync();

Result

{
  "id": "chatcmpl-8Ig99G1IFcO0JIU77OOL7g15vgD7D",
  "object": "chat.completion",
  "created": 1699462607,
  "model": "gpt-3.5-turbo-0613",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "The three biggest cities in Sweden are:\n\n1. Stockholm - The capital and largest city of Sweden, with a population of approximately 975,000 people.\n2. Gothenburg - The second-largest city in Sweden, with a population of around 590,000 people.\n3. Malmö - The third-largest city in Sweden, with a population of about 320,000 people."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 21,
    "completion_tokens": 78,
    "total_tokens": 99
  }
}