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World 4 · Builder · ~30 min
The Assistants
ChatGPT, Claude, Gemini and Grok — what each is best at, and the features most people never find.
✓ Features reviewed September 2026 — AI products change fast; menus may move.
In this world
- 01ChatGPT: the Swiss Army knifeProjects, memory, custom GPTs, deep research, images and voice — making the most popular assistant yours.
- 02Claude: the writer and the builderArtifacts, Projects, connectors and long documents — why people love Claude for writing, analysis and code.
- 03Gemini: Google's everything-connected AIGmail, Docs and Drive integration, Gems, Deep Research, Nano Banana images and Live voice.
- 04Grok: real-time and unfiltered-ishxAI's assistant — live X data, DeepSearch, Think mode and Imagine for images and video.
- 05Which assistant, when?A practical cheat sheet — plus the privacy settings everyone should check.
- ⚔️Boss: Assistant ShowdownPick the right assistant and feature for 6 real situations. 90 seconds.