CCAD Packard Library: Text-Based Generative AI for CCAD Faculty: Beyond ChatGPT

Large Language Models (LLMs)

	ChatGPT	Open AI Free, built on GPT-3.5 Not connected to the Internet. Trained on data only through January 2022.
	ChatGPT Plus	Open AI $20/mo, built on GPT-4 Includes: plugins, Advanced Data Analysis" (formerly Code Interpreter) a "browse with Bing" feature that allows it to search for information on websites GPT4-Vision (for uploading images and discussing them) Image generation with DALL-E 3. (as of Nov. 6, 2023: all these features combined into "all tools.") A new feature for building chatbots without using code. These are called "GPTs." (available to Plus users only) Enterprise edition for large businesses.
	Microsoft Copilot (formerly Bing Chat)	Microsoft Free, built on GPT-4 Generate images with DALL-E 3. Connected to the Internet with Bing search.
	Gemini (formerly Bard)	Google Free, built on PaLM 2. Connected to the Internet.
	Claude 2	Anthropic Free. Also available in Slack. Built on their own model. Focused on reliability and safety. Not connected to the Internet (yet).
	Perplexity AI	Perplexity Free, built on GPT-3.5. Connected to the Internet. You can use it without creating an account. Pro account also available that uses GPT4 or Claude2.

Which models are the most capable and have an Internet connection?

Microsoft Copilot (formerly Bing Chat) (in creative mode) is based on GPT-4. And it's free to use.
ChatGPT Plus (with a monthly fee) is also based on GPT-4.
Perplexity AI is also free and you can use it without an account. If you create a pro account, you can get access to the more capable model (GPT-4).

Other models

Claude is also quite good, but not yet connect to the Internet. (This could change).
Google's Gemini (formerly Bard) seems to be not quite as capable currently. (This could change).

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).

Explainpaper
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.

Elicit
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.

Petal
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.