ChatGPT
chatgpt.com
The general assistant most people mean when they say they used AI
Free tier
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chatgpt.com
The general assistant most people mean when they say they used AI
claude.ai
Anthropic's assistant, strongest on long documents and careful writing
deepseek.com
Open-weight reasoning model you can use free in a chat window
element.io
End-to-end encrypted group chat in a browser tab, on the open Matrix network
gemini.google.com
Google's assistant, wired into Search, Gmail, Drive and YouTube
mistral.ai
Mistral's assistant — fast, EU-hosted and free to start with
copilot.microsoft.com
Web-grounded assistant that answers with numbered links you can open
chat.webllm.ai
Runs an open language model inside your browser, nothing sent to a server
Cuts across
A tag is orthogonal to the category tree — that is what makes it worth having.