OpenAI
ChatGPT
The broad generalist, with a persistent preferences layer most people never turn on.
AI chats
Every AI chat is shaped differently — what it can see, how it should be prompted, where it breaks. Choose the one you already have, and read how to get more out of it. This is not a comparison: pick the one you use, not the one we’d pick for you.
Listed alphabetically. We don’t rank these.
A few quick tells:
OpenAI
The broad generalist, with a persistent preferences layer most people never turn on.
Anthropic
Best for long documents and sustained drafting you iterate on in place.
DeepSeek
For step-by-step reasoning you can check, with the option to self-host.
Best when your work lives in Google Workspace, or your prompt isn't only text.
xAI
For reading what's being said right now, not for settling what's true.
Microsoft
Best inside the Microsoft 365 documents and permissions you already have.
Answers only from the documents you give it, and cites the exact passage.
Perplexity AI
Answers a question from the live web with sources you can click, immediately.
Using more than one?
The skill is matching the shape to the job, not picking a favourite.