LanguageTool vs Sudowrite
LanguageTool uniquely has 4 features · Sudowrite uniquely has 1 feature.
| LanguageTool | Sudowrite | |
|---|---|---|
| Company | ||
| Founded | 2003 | 2020 |
| HQ | Potsdam, Germany | San Francisco, USA |
| AI model | Proprietary | Proprietary (Muse), Claude by Anthropic, OpenAI models, open-source models |
| User base | 3M+ Chrome users | — |
| Platforms | Web, Chrome, Firefox, Edge, Safari, Opera, macOS, Windows, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird | Web |
| Languages | 30+ languages and dialects | 30+ languages |
| Pricing | ||
| Free plan | Yes | No |
| Free trial | — | Yes — free trial, no credit card required |
| Starting price | $4.99/mo (Premium, 2-year plan) | $10/mo (Hobby & Student) |
| Enterprise | Custom — contact for Business/API | Custom — contact required |
| All plans | Premium$12.45/mo or $24.95/quarterlyTeams$5.53/mo | Hobby & Student$19/moProfessional$29/moMax$59/moEnterpriseCustom |
| Positioning | ||
| Best for | Multilingual writers, non-native English speakers, professionals needing grammar and style checking across 30+ languages | Fiction writers, novelists, screenwriters, and creative writing enthusiasts |
| Differentiator | Privacy-focused, GDPR-compliant AI grammar and style checker supporting 30+ languages with browser and office integrations, at a lower price point than Grammarly | 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, ProWritingAid, Hemingway Editor, Wordtune, Ginger | Jasper, Copy.ai, Squibler, NovelAI, ChatGPT |
| Features | ||
| AI Copywriting | ✓ | ✕ |
| AI Research | ✕ | ✕ |
| Brand Voice | Basic — Style Guide and Team Style Guide available in Premium/Teams | Basic — matches user's writing style and voice via contextual analysis |
| Bulk Generation | ✕ | ✕ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — Visualize feature generates art from character/worldbuilding descriptions |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | ✕ | ✕ |
| SEO Optimization | ✕ | ✕ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✓ | ✕ |
| Chrome Extension | ✓ | ✕ |
| CMS | ✕ | ✕ |
| Google Docs | ✓ | ✕ |
| Key Integrations | Chrome, Firefox, Edge, Safari, Opera, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird, macOS app, Windows app | 1,000+ community-built Plugins for extended functionality (reader simulation, character dialogue, screenplay conversion, etc.) |
| Wordpress | ✕ | ✕ |
| Zapier | — | ✕ |