Grammarly vs Notion AI

Grammarly (AI writing partner for grammar, clarity, tone and rewrites.) and Notion AI (AI inside the Notion workspace: Q&A, agents, meeting notes, writing.) compared side by side: plans and prices, vendor-stated features, platforms and sign-in, with the date each fact was checked. Matches based on official product information.

Based on official vendor pages, linked below
Grammarly pricing checked: 2026-10-27
Notion AI pricing checked: 2026-10-27

At a glance

Grammarly

Grammarly, Inc.

AI writing tools

What it does: AI writing partner for grammar, clarity, tone and rewrites.
Strong at: Strong fit for ongoing writing correction with a monthly AI-generation prompt allowance.
Free plan: Yes - ongoing free plan
Paid plans from: US$12 / month

Pricing checked 2026-10-27 · Full Grammarly record · Official site

Notion AI

Notion Labs

AI writing tools

What it does: AI inside the Notion workspace: Q&A, agents, meeting notes, writing.
Strong at: Strong fit for Notion workspaces that want AI drafting and Q&A inside their docs.
Free plan: No free plan
Paid plans from: US$10 / month

Pricing checked 2026-10-27 · Full Notion AI record · Official site

Plans & pricing

Grammarly plans & pricing

Checked 2026-10-27. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Free

$0 / month

Pro

$12 USD

Enterprise

demo/custom

Notion AI plans & pricing

Checked 2026-10-27. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Free

$0 / month

trial of Notion AI

Plus

$10/month

per member; trial of Notion AI

Business

$20/month

per member; includes Notion Agent, AI Meeting Notes

Enterprise

Custom pricing

custom

Side-by-side facts

	Grammarly	Notion AI
Free plan	Yes - ongoing free plan	No free plan
Paid plans from	US$12 / month	US$10 / month
Platforms	Web editor; Windows and Mac apps; iOS and Android; browser extensions.	Notion on web, Mac, Windows, iOS and Android; AI features vary by platform.
Sign-in	Some public writing checks can be tried first. Sign in for the Grammarly Editor and account features.	Yes, a signed-in Notion account and workspace are used for Notion AI.
API	Yes. REST APIs cover writing evaluation, detection, analytics and administration; not every app feature is an API.	Yes. Notion's Agent APIs let an app start chats with Notion AI (the personal agent) using a personal access token. Plan limits are not stated.

What each tool says it does

Grammarly - vendor-stated features

Proofreading
Rewrites
Tone

Notion AI - vendor-stated features

Notion Agent
AI Meeting Notes
Trial AI

Worth knowing before you choose

Grammarly - worth knowing

The Free plan includes 100 AI prompts/month. “Try Pro for $0” is a separate trial.

Notion AI - worth knowing

Full AI access requires Business. Free and Plus include a limited AI trial, not a standing free AI allowance.
Prices are per member per month.

Common questions

Is Grammarly or Notion AI free to use?

Grammarly: Yes - ongoing free plan (checked 2026-10-27). Notion AI: No free plan (checked 2026-10-27).

What do Grammarly and Notion AI cost?

Grammarly's entry paid plan is US$12 / month and Notion AI's is US$10 / month, from each vendor's pricing page (2026-10-27 and 2026-10-27 respectively). The tables above list every plan each vendor published.

Which is better, Grammarly or Notion AI?

It depends on the job. Grammarly: Strong fit for ongoing writing correction with a monthly AI-generation prompt allowance. Notion AI: Strong fit for Notion workspaces that want AI drafting and Q&A inside their docs. The feature and pricing tables above show where they differ.

Where do these facts come from?

Every fact on this page is read from the vendors' own product and pricing pages, with the checked date shown beside it. Links to both official pages are at the top of each column.

Keep comparing

This comparison is not a recommendation: it sets out what each vendor states on its own pages, with the dates those pages were checked. Prices and features change - confirm with the vendor before buying.