ChatGPT
OpenAI’s general-purpose assistant
Best for Everyday drafting, questions, and brainstorming
- AI assistants
Reviewed October 17, 2026
Category
AI assistants and the workspace around them
Conversational assistants, a citation-first answer engine, and Notion, which is a workspace with AI inside the docs. Ranked on the AI assistants page.
This shelf is alphabetical. For a ranked take, read Best AI assistants.
Claude
Anthropic’s assistant for writing and long documents
Best for Writing and working from long documents
- AI assistants
Reviewed October 17, 2026
Notion
Docs, wikis, and databases in one workspace
Best for Notes, wikis, and light planning
- AI assistants
Reviewed October 17, 2026
Perplexity
Answers with links you can actually open
Best for Research questions where you want citations
- AI assistants
Reviewed October 17, 2026