Best for: Write
ChatGPT
The best-known AI chat assistant: ask anything, get a written answer.
Free plan is enough to start
Best for: Emails, essays, captions and cleaner writing.
Grammarly
Fixes spelling, grammar and tone wherever you type.
Free plan is enough to startOpen Grammarly ↗
What it is
Grammarly checks your writing as you type in the browser, email and documents. It underlines mistakes, suggests clearer wording and tells you how your tone comes across.
How to start in 5 minutes
- Create a free account at grammarly.com.
- Install the browser extension.
- Write an email as usual and accept the underlined fixes.
- Try an AI prompt like "make this more concise".
Is the free plan enough?
The free version catches most everyday mistakes.
Free ($0): spelling and grammar corrections, tone detection and 100 AI prompts. Pro is $12/month (USD) for more.
Source: Grammarly's own pricing page, checked Nov 2026. Plans change; confirm before you pay.
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