AI Writing Assistants for Grammar and Paraphrasing
Grammarly is the more comprehensive writing assistant with better grammar checking and tone suggestions. QuillBot is significantly cheaper and better for paraphrasing and rewording text.
Leading AI writing assistant for grammar checking, tone detection, plagiarism detection, and style improvement across all platforms.
AI-powered paraphrasing tool with grammar checking, summarizing, and translation features at an affordable price.
| Feature | Grammarly | QuillBot |
|---|---|---|
| Grammar checking | Excellent (industry-leading) | Good (improving) |
| Paraphrasing | Full sentence rewrites (Pro) | 9 paraphrasing modes (best-in-class) |
| Tone detection | Advanced tone suggestions | Basic tone analysis |
| Plagiarism detection | Yes (Pro plan) | Yes (Premium plan) |
| AI text generation | 2,000 prompts/month (Pro) | No generation (rewriting only) |
| Browser extension | Works everywhere (all browsers) | Chrome, Word, Google Docs |
| Free tier | Basic grammar and spelling | 125-word paraphraser, 2 modes |
Pricing last verified: 2026-09
Choose Grammarly for comprehensive grammar checking and professional writing. Choose QuillBot for affordable paraphrasing and text rewriting.
Grammarly: Leading AI writing assistant for grammar checking, tone detection, plagiarism detection, and style improvement across all platforms.. QuillBot: AI-powered paraphrasing tool with grammar checking, summarizing, and translation features at an affordable price..
Grammarly is the more comprehensive writing assistant with better grammar checking and tone suggestions. QuillBot is significantly cheaper and better for paraphrasing and rewording text.
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