By task AI tools for writing emails, edits and first drafts
For writing, you want two kinds of tool. A chat assistant like ChatGPT or Claude writes a first draft or reworks what you paste in. A writing checker like Grammarly sits where you type and catches mistakes as you go. All three have free plans, and the free plans are enough for everyday email and short documents.
- For drafting
- A chat assistant
- For checking
- A writing checker
- Cost to start
- Free
Two kinds of writing help
A chat assistant drafts. You describe what you need, or paste what you have, and it writes. It's the tool for a blank page: a cover letter, a hard email, a toast.
A writing checker corrects. It watches as you type and marks spelling, grammar and tone. You don't paste anything anywhere. It's the tool for the writing you already do every day.
What the free plans cover
| Tool | Kind | Free plan, per the company's page |
|---|---|---|
| ChatGPT | Chat assistant | Text chats, search and projects. Uploads and images are limited |
| Claude | Chat assistant | Chat on web, desktop and phone, with usage that resets every five hours and weekly |
| Grammarly | Writing checker | Mistake checks, tone detection and 100 AI prompts a month |
Checked against each company's pricing page on Nov 11, 2026.
How to draft with a chat assistant
- Say who it's for and what you want to happen. "Email to my landlord. I want the dishwasher fixed this week."
- Give it your rough version, even if it's a few messy lines. It keeps your facts straight that way.
- Ask for one change at a time. "Shorter." "Less formal." "Cut the apology."
- Read it before you send it. Check names, dates and amounts yourself.
You can do all of that on the free plan of ChatGPT or Claude.
How to check with a writing checker
Install Grammarly and keep writing the way you do now. It underlines what it would change, and you accept or ignore each one. The free plan also shows how your tone reads, which is useful before you send a complaint or a request.
Draft in the chat assistant, paste the result into your email, and let the checker catch what's left. Each tool does the half it's built for.
When to pay
Most people writing personal email don't need to. Paid plans start to matter when you write for work all day. On Grammarly, Pro adds full-sentence rewrites, tone changes and plagiarism detection. On the chat assistants, paid plans mainly raise the limits.
Frequently asked questions
What is the best free AI tool for writing emails?
Any of the big chat assistants will draft an email on a free plan. ChatGPT's free plan includes text chats, and Claude's free plan includes chat on web, desktop and phone. Grammarly's free plan then checks the email for mistakes and tone where you type it.
Do I need both a chat assistant and Grammarly?
No. Start with one. Pick a chat assistant if your problem is the blank page, or Grammarly if your problem is typos and tone in what you already write.
How many AI rewrites does Grammarly give you for free?
Grammarly's plans page lists 100 AI prompts a month on the Free plan and 2,000 a month per member on Pro.
How do we know this?
We check every plan, price and limit on this page against the company's own pages, and re-check on a schedule. Spot something out of date? Tell us.