Which AI Should You Use? ChatGPT vs Gemini vs Claude vs Grok vs Perplexity
Pick by the job, not the hype. A plain-English guide to which AI assistant fits writing, research, coding, Google Workspace and trending news.
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- Oct 27, 2026
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Quick answer
- Everyday all-rounder, images, voice: ChatGPT
- You live in Gmail, Docs and Drive: Gemini
- Long documents, careful writing, serious coding: Claude
- What people are saying right now on X: Grok
- Answers with sources you can check: Perplexity
ChatGPT
Broadest feature set in one app: chat, image generation, voice mode and custom GPTs. Good default for brainstorming names, angles and quick drafts.
Gemini
Its edge is Google Workspace. It can pull from your Drive and Gmail in one prompt and handles very large files and long videos.
Claude
Strong at long-form writing that sounds human, reading big contracts or reports, and multi-step coding work. Give it a sample of your writing and it matches your voice well.
Grok
Plugged into live posts on X, so it's quickest on breaking stories and public sentiment around a brand or launch.
Perplexity
Search-first: every answer cites its sources. Click through before you publish — a citation only helps if the page really says it.
Free options worth knowing
- DeepSeek – capable free chat model for reasoning and code
- NotebookLM – answers only from documents you upload
- Elicit – summarises academic papers
Most people get the best results using two: one for writing and building, one for research with citations.