| Website | grammarly.com | sudowrite.com |
|---|
| Category | AI Writing | AI Writing |
|---|
| Use cases | AI for Bloggers, AI for Students | AI for Authors, AI for Students |
|---|
| Pricing model | Freemium | Free Trial |
|---|
| Starting price | From $12 per month | From $10 per month |
|---|
| Platforms | Android, Browser Extension, iOS, macOS, Web, Windows | Web |
|---|
| Key features | - Real-time grammar, spelling and punctuation checks
- Tone detection and tone adjustment
- Full-sentence and paragraph rewrites
- Generative AI prompts (100 free, 2,000 on Plus/Pro)
- Plagiarism and AI-generated text detection
- Free AI Detector, no sign-up
- Humanizer and AI Detector agents
- Fluency help for English learners
+2 more on the tool page | - Write, Rewrite, Describe and Expand with story intelligence
- Matches your writing style
- Series continuity tracking
- Brainstorm characters, plots and outlines
- AI chat built for fiction
- Muse and Ballad fiction-tuned AI models
- 30+ additional AI models (incl. Anthropic and OpenAI)
- Developmental edits, line edits and beta reads (Professional/Max)
+2 more on the tool page |
|---|
| Integrations | - Google Docs
- Microsoft Word and Outlook
- Google Chrome, Edge, Firefox and Safari
- Windows and Mac desktop apps
- iPhone and Android keyboards
| - Web app (browser)
- Anthropic Claude models
- OpenAI models
- Open-source models
|
|---|
| Best for | Students, professionals, bloggers and non-native English writers who want instant grammar, tone and clarity fixes wherever they write | Novelists, screenwriters, fan-fiction writers and creative writing students who want an AI partner for drafting and developing stories |
|---|
| Pros | - Generous free plan with tone detection
- Works in browsers, Word, Google Docs and phone keyboards
- Affordable: Pro $12/month in the US, Plus ₹392/month in India
- Free AI Detector with no sign-up
- SOC 2 Type 2 report; never sells user content
| - Built specifically for fiction, with its own Muse and Ballad models
- Free trial with no credit card
- Does not train AI on your writing; claims no rights over your work
- Developmental edits, line edits and beta reads on higher plans
- Easy cancel; keep access to your projects
|
|---|
| Cons | - Full-sentence rewrites and plagiarism checks need a paid plan
- Free plan limited to 100 AI prompts a month
- English only
- Uses your writing to improve its products unless you change the controls
- AI detection is not 100% accurate (Grammarly says so itself)
| - No free plan after the trial
- Credit-based limits to watch on the Hobby plan
- Priced in USD only, including in India
- Not suited to blogs, business or academic writing
- Some features may fall back to English
|
|---|
Grammarly
Sudowrite