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AI Literacy in the Age of ChatGPT

Large Language Models (LLMs)

ChatGPT logo ChatGPT

Open AI
Free, built on GPT-3.5
No web search results.
Trained on data only through January 2022.

As of April 2024, you can use it without creating an account.

NOTE: Free accounts are gradually getting limited access to a more
powerful model: GPT-4o. This begins May 13, and will roll out
over the next few weeks. 

Accounts with this update will have web search and additional features.

ChatGPT Plus logo ChatGPT Plus

Open AI
$20/mo, built on GPT-4o

  • web search
  • data analysis
  • vision (upload images and ask questions about them)
  • Image generation

Build chatbots without using code. These are called "GPTs."

Enterprise edition for large businesses. Teams account for small business.

Microsoft Copilot Microsoft
Free, built on GPT-4 (If you use Creative mode)
Generate images with DALL-E 3
using Bing Image Creator or Microsoft Designer

Includes web search results.

Copilot Pro Plan with more features for individuals.
Copilot for Microsoft 365 with more features for institutions and businesses.
Google Bard logo Gemini
(formerly Bard)
Free, built on Gemini Pro
Includes web search results from Google.

Gemini Advanced is built on Gemini Ultra ($20/mo)
Claude logo Claude Anthropic
Free. Also available in Slack.
Built on their own model: Claude 3 Sonnet.
Pro version ($20/mo) is based on Claude 3 Opus.

Focused on reliability and safety.
No web search results. Trained on data through August 2023.
Perplexity AI Perplexity
Free. Includes web search results, with citations.
Offers "Focus" choices such as
YouTube, Reddit, Semantic Scholar ,and Wolfram|Alpha.

You can use it without creating an account.

Pro account ($20/mo) allows a choice between several models:
GPT-4o, Claude, and others.
Meta AI

Free, built on Meta Llama 3
Includes web search results. 

Log in with your Facebook or Instagram account.

You can also access the chatbot on WhatsApp, Instagram,
Messenger, or Facebook, by typing "@meta ai" within chats.

Learn more.

For a list of more AI tools, see AI Tools Landscape by Carlos Lizarraga-Celaya.

Other useful tools based on LLMs

These tools are based on language models like GPT-3 or GPT-4 (from Open AI).

Find answers from 175 million research papers. Elicit uses semantic similarity, which finds papers related to your question even if they don't use the same keywords. See How to use Elicit responsibly.

Upload a PDF, highlight confusing text, and get a simpler explanation. Useful for reading research papers outside your field. You can also get explanations in languages other than English. Learn more about Explain Paper.

Build a network of academic papers and it will analyze the network to help you discover the most relevant literature. Select two papers and it will show how the literature connects them together.

Reference manager and more. Ask the AI to explain your selection, translate it into another language, or identify key points.

Scite AI assistant
A conversational tool made by Scite that lets you ask questions in simple language and get answers backed by real, up to date references. Think of like ChatGPT with real, up to date references, tailor-made for anyone discovering, understanding, or writing research.