Connect to OpenAI: Chat Completion
This example demonstrates how to interact with OpenAI's chat completions API using Deno, where we send a user prompt and receive a response from the GPT-4 model.
Import the OpenAI module from the Deno third-party library
import { OpenAI } from "https://deno.land/x/openai@v4.68.1/mod.ts";Create an OpenAI client by providing the API key stored in an environment variable. (Make sure your API key is set as an environment variable)
const openai = new OpenAI({
apiKey: Deno.env.get("OPENAI_API_KEY")!,
});Define the user prompt for generating a response
const userPrompt = "What are some cool things to do in fall?";Send the user prompt and system message to OpenAI for chat completion.
const completion = await openai.chat.completions.create({
model: "gpt-4", // Specify the GPT-4 (or any other valid) model for the completion
messages: [
{ role: "system", content: "You are a helpful assistant." }, // System message setting the role
{ role: "user", content: userPrompt }, // User's input prompt
],
});Extract and log the assistant's response (text) from the first choice in the completion result
console.log("Response from OpenAI:", completion.choices[0].message.content);Run this example locally using the Deno CLI:
deno run --allow-net --allow-env https://docs.deno.com/examples/scripts/openai_chat_completion.ts