Compare AI tools
Pick 2–3 tools. The link updates as you go, so you can share it. Anything we haven't verified says "Not verified".
GrammarlyQuillBot
| Feature | Grammarly | QuillBot |
|---|---|---|
| Best for (differs) | Polishing everyday writing, emails and documents with AI help | Students and writers rewording, proofreading and summarizing text |
| Starting price (differs) | $12/member/month billed annually (Pro); $30/member billed monthly | Not verified |
| Free plan | Yes | Yes |
| Ease of use | Not verified | Not verified |
| Key features (differs) | Spelling, grammar and tone checks, Full-sentence rewrites and tone adjustment (Pro), Plagiarism and AI-generated text detection (Pro), AI prompts: 100/month free, 2,000 per member/month on Pro, Team style guide, brand tone, Snippets and analytics (Pro), SAML SSO, SCIM and BYOK encryption (Enterprise) | Paraphraser with multiple and custom modes, Grammar checker with tone insights, Summarizer for long texts, AI detector and humanizer, Plagiarism checker (Premium), Citation generator and translation in 40+ languages |
| Integrations (differs) | Microsoft Office, Google Docs, Desktop apps, Browser extension, Mobile apps | Google Chrome, Microsoft Edge, Microsoft Word, macOS app |
| API availability | Not verified | Not verified |
| Collaboration (differs) | Team style guides, brand tones, Knowledge Share and Snippets on Pro | Team Plan with user management and centralized billing |
| Security considerations (differs) | SOC 2 (Type 2) report covering security, privacy, availability and confidentiality | Not verified |
| Main limitations (differs) | Monthly billing ($30/member) costs much more than annual, Free plan limited to 100 AI prompts per month, SSO, SCIM and unlimited AI prompts require Enterprise | Free paraphrasing is capped at 125 words, Plagiarism checks limited to 25,000 words/month on Premium, Team plan pricing is not published |
| Last verified | 11/1/2026 | 11/1/2026 |
| Visit | Visit |
