The big idea
ChatGPT Plus is $20/month. The same usage on the API is often $1. The difference is one weekend of learning.
Some examples
- OpenAI API: $0.005-$0.05 per typical query
- Build a Discord bot, a Shortcut, a Google Sheet plugin
- Use the playground at platform.openai.com to test free
- No queue, no rate limits, no UI distractions
Try it!
Sign up for a free OpenAI API key. Try the Playground with your most common prompt. Notice how much faster it is than the chat app.
End-of-lesson check
15 questions · take it digitally for instant feedback at tendril.neural-forge.io/learn/quiz/end-builders-foundations-AI-and-API-vs-chat-app-r8a10-teen
What is the approximate monthly cost difference between ChatGPT Plus ($20/month) and using the API for the same number of prompts?
- About $19 difference
- About $1 difference
- About $10 difference
- About $50 difference
Which of the following is mentioned in the lesson as something you can build using the OpenAI API?
- A Discord bot
- A social media platform
- A video game console
- A video streaming service
Which is a key advantage of using the API instead of the chat interface?
- The API works on more devices
- The API automatically saves your chat history
- The API has no queue, no rate limits, and no UI distractions
- The API includes a built-in voice mode
What does it cost to test prompts in the OpenAI Playground?
- $20 per month
- Free
- $5 per test
- $0.50 per test
Which example does the lesson give for integrating the API into an everyday tool?
- A calculator
- A music player
- A weather app
- A Google Sheets plugin
If you run 100 typical queries through the API at $0.005 each, how much would it cost?
- $5.00
- $50.00
- $0.50
- $0.05
What is a 'rate limit' that the API avoids but the chat app has?
- A limit on how fast your computer processes
- A limit on how many people can see your chats
- A limit on how many requests you can make in a certain time
- A limit on how long responses can be
The lesson mentions using AI to handle a teen-life situation with your eyes open. What example does it give?
- Writing a school essay faster
- Creating a social media post
- Tracking expenses in a Google Sheet
- Getting homework answers
Where can you test prompts for free before committing to API usage?
- Twitter
- Reddit
- platform.openai.com Playground
- GitHub
The lesson suggests you can learn enough about the API to start saving money in what timeframe?
- One hour
- One month
- One weekend
- One year
What does 'UI distractions' refer to in the context of using the API instead of the chat app?
- Pop-up advertisements on websites
- Background noise from your device
- Unnecessary visual elements and features in the chat interface
- Slow-loading images
If someone uses ChatGPT for the same prompt every single day, why might the API be better?
- Because the API always gives better answers
- Because the API is cheaper for repeated, identical use
- Because the API is run by a different company
- Because the API requires no internet
A student wants to automatically analyze their weekly spending using AI. Based on the lesson, which would be the most relevant API use case?
- Making a music playlist
- Creating a Google Sheets plugin to categorize expenses
- Writing a poem about money
- Building a video game
Why might a heavy ChatGPT user save money by switching to the API?
- Because ChatGPT will delete your account
- Because the API is always free
- Because ChatGPT Plus is $20/month while API use for the same prompts is often around $1
- Because the API gives discounts to students
What problem does 'no queue' solve that the chat app has?
- Having to create an account
- Having to wait when demand is high
- Having to type your prompt twice
- Having to pay monthly