How to call OpenAI’s ChatGPT API

Here is how you can call OpenAI's ChatGPT API, given that you have an API key. Follow these instructions to get one.

import openai
openai.api_key = '<your API key>'
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Who won the world series in 2020?"},
        {"role": "assistant", "content": "The Los Angeles Dodgers won the World Series in 2020."},
        {"role": "user", "content": "Where was it played?"}

This will print out something like the following:

<OpenAIObject chat.completion id=chatcmpl-xxx at xxx> JSON: {
  "id": "chatcmpl-xxx",
  "object": "chat.completion",
  "created": 1689160553,
  "model": "gpt-3.5-turbo-0613",
  "choices": [
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "The 2020 World Series was played at Globe Life Field in Arlington, Texas."
      "finish_reason": "stop"
  "usage": {
    "prompt_tokens": 53,
    "completion_tokens": 17,
    "total_tokens": 70

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