QuillBot vs Sudowrite
QuillBot uniquely has 3 features.
| QuillBot | Sudowrite | |
|---|---|---|
| Company | ||
| Founded | 2017 | 2020 |
| HQ | Chicago, USA | San Francisco, USA |
| AI model | Proprietary | Proprietary (Muse), Claude by Anthropic, OpenAI models, open-source models |
| User base | 35M+ | — |
| Platforms | Web, iOS, Android, Chrome, Edge, Safari, macOS, Windows, Microsoft Word | Web |
| Languages | 40+ | 30+ languages |
| Pricing | ||
| Free plan | Yes | No |
| Free trial | — | Yes — free trial, no credit card required |
| Starting price | — | $10/mo (Hobby & Student) |
| Enterprise | — | Custom — contact required |
| Refund policy | 3-day money-back guarantee (known from training knowledge) | — |
| All plans | Premium$8.33/mo billed anuallyTeamsCustom | Hobby & Student$19/moProfessional$29/moMax$59/moEnterpriseCustom |
| Positioning | ||
| Best for | Students, academics, professionals, and content creators needing paraphrasing, grammar checking, and AI writing assistance | Fiction writers, novelists, screenwriters, and creative writing enthusiasts |
| Differentiator | All-in-one AI writing suite combining paraphrasing, grammar checking, plagiarism detection, AI humanizing, image generation, PDF tools, and citation generation in a single platform used by 35M+ writers across 180+ countries. | Purpose-built fiction AI with proprietary Muse model, Story Bible workflow, and a full suite of tools (Write, Expand, Rewrite, Feedback, Canvas, Visualize) designed specifically for novelists and screenwriters. |
| Competitors | Grammarly, Wordtune, Jasper, Copy.ai, Writesonic | Jasper, Copy.ai, Squibler, NovelAI, ChatGPT |
| Features | ||
| AI Copywriting | ✓ | ✕ |
| AI Research | ✓ | ✕ |
| Brand Voice | Basic — AI Humanizer helps text sound natural and like the user | Basic — matches user's writing style and voice via contextual analysis |
| Bulk Generation | — | ✕ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | Built-in — AI Image Generator and AI Image Editor included | Built-in — Visualize feature generates art from character/worldbuilding descriptions |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in | No |
| SEO Optimization | ✕ | ✕ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✓ | ✓ |
| Integrations | ||
| API Access | — | ✕ |
| Chrome Extension | ✓ | ✕ |
| CMS | ✕ | ✕ |
| Google Docs | ✕ | ✕ |
| Key Integrations | Chrome extension, Edge extension, Safari extension, Microsoft Word add-in, iOS app, Android app, macOS app, Windows app | 1,000+ community-built Plugins for extended functionality (reader simulation, character dialogue, screenplay conversion, etc.) |
| Wordpress | ✕ | ✕ |
| Zapier | — | ✕ |