Grammarly: pricing, free plan and alternatives
A writing checker that fixes spelling and grammar wherever you type, with AI rewrites on paid plans.
Prices checked on the official pricing pages on . Prices are in US dollars and can change at any time.
Grammarly and its alternatives at a glance
| Tool | Free plan | Paid plans | Best for |
|---|---|---|---|
| Grammarly | Yes | From $12/mo | Anyone who writes client emails and proposals and wants a safety net for mistakes. |
| ChatGPT | Yes | From $8/mo | General writing help, from emails and outlines to social posts. |
| Claude | Yes | From $17/mo | Long-form writing and editing, and working through long documents. |
| Google Gemini | Yes | From $4.99/mo | People who live in Gmail and Google Docs. |
Grammarly: what you get
A writing checker that fixes spelling and grammar wherever you type, with AI rewrites on paid plans.
- Price
- Pro $12 a month (the page didn't say whether that's billed yearly or monthly), with 2,000 AI prompts per member a month.
- Free plan
- Free spelling and grammar checks, tone detection and 100 AI prompts a month. Full-sentence rewrites and tone adjustment need Pro.
- Best for
- Anyone who writes client emails and proposals and wants a safety net for mistakes.
- Works on
- Web browser, Windows, Mac, iPhone and iPad, Android, Browser extension
Pros
- Works in your browser, email and documents
- Free version catches most typos
Cons
- Rewrites and tone changes are Pro-only
- Reads what you type, so check its privacy settings for client work
Key features
- Spelling and grammar checks everywhere you type
- Tone detection
- AI prompts (100 a month free)
- Plagiarism and AI-text detection (Pro)
The alternatives
1. ChatGPT
OpenAI's AI assistant for drafting, rewriting, brainstorming and answering questions.
- Price
- Go $8 a month and Plus $20 a month in the US; Pro $200 a month. Plus has no yearly billing option.
- Free plan
- Free tier available to everyone, with usage limits on the most capable models. OpenAI says it will test ads on the Free and Go tiers in the US.
- Best for
- General writing help, from emails and outlines to social posts.
- Works on
- Web browser, Windows, Mac, iPhone and iPad, Android
Pros
- The most widely used AI assistant
- Cheap Go plan for more usage
Cons
- Ads being tested on the free tier in the US
- Check data controls before pasting client information
Key features
- Chat-based writing and editing
- File and image understanding
- Web search
- Custom GPTs
2. Claude
Anthropic's AI assistant, often used for long documents, careful editing and writing in your own voice.
- Price
- Pro $17 a month billed yearly ($200 up front) or $20 billed monthly; Max from $100 a month.
- Free plan
- Free for everyone on web, desktop and mobile: chat, web search, file creation, memory and up to 5 projects. Usage limits reset on a rolling five-hour window; the Opus model isn't included.
- Best for
- Long-form writing and editing, and working through long documents.
- Works on
- Web browser, Windows, Mac, iPhone and iPad, Android, Browser extension
Pros
- Free plan includes projects and file creation
- Handles long documents well
Cons
- Free usage limits can run out in a heavy session
- Research and the Opus model need Pro
Key features
- Chat-based writing and editing
- Projects for ongoing work (5 on the free plan)
- Web search and file creation
- Research mode (Pro)
3. Google Gemini
Google's AI assistant, connected to Gmail, Docs and the rest of your Google account on paid plans.
- Price
- Google AI Plus $4.99 a month; Google AI Pro $19.99 a month; Google AI Ultra from $99.99 a month (US).
- Free plan
- Free with a Google account: chat, image generation and editing, Deep Research, Gemini Live, Canvas and Gems, with 15 GB of storage.
- Best for
- People who live in Gmail and Google Docs.
- Works on
- Web browser, iPhone and iPad, Android
Pros
- Deep Research included free
- Cheapest paid upgrade here at $4.99
Cons
- Gmail and Docs integration needs a paid plan
- Free tier uses the lighter models
Key features
- Chat, writing and Deep Research free
- Gemini in Gmail (AI Plus and up)
- Image generation
- More storage on paid plans
Sources
Official pages we checked for the prices, plans and limits on this page:
- Grammarly: www.grammarly.com, checked October 26, 2026
- ChatGPT: openai.com, help.openai.com (2), checked October 26, 2026
- Claude: claude.com, checked October 26, 2026
- Google Gemini: gemini.google, checked October 26, 2026