LanguageTool vs WRITER
WRITER uniquely has 12 features.
| LanguageTool | WRITER | |
|---|---|---|
| Company | ||
| Founded | 2003 | 2020 |
| HQ | Potsdam, Germany | San Francisco, USA |
| AI model | Proprietary | Palmyra (proprietary LLMs, including Palmyra X5 with 1M-token context) |
| User base | 3M+ Chrome users | 500K+ |
| Platforms | Web, Chrome, Firefox, Edge, Safari, Opera, macOS, Windows, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird | Web, Chrome Extension, API, iOS (limited) |
| Languages | 30+ languages and dialects | 20+ |
| Pricing | ||
| Pricing model | — | Subscription |
| Free plan | Yes | No |
| Free trial | — | Yes |
| Starting price | $4.99/mo (Premium, 2-year plan) | Free trial available; paid plans not publicly priced per seat on pricing page |
| Enterprise | Custom — contact for Business/API | Contact sales |
| All plans | Premium$12.45/mo or $24.95/quarterlyTeams$5.53/mo | StarterNot publicly statedEnterpriseCustom pricing |
| Positioning | ||
| Best for | Multilingual writers, non-native English speakers, professionals needing grammar and style checking across 30+ languages | Large organizations scaling agentic workflows with control and compliance |
| 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 | Agentic workflows with Knowledge Graph, granular governance, and full LLM interoperability |
| Competitors | Grammarly, ProWritingAid, Hemingway Editor, Wordtune, Ginger | Jasper, Copy.ai, Notion AI, Grammarly Business, Persado |
| Features | ||
| Agent Governance | — | ✓ |
| Brand & Voice Profiles | — | ✓ |
| Cross Team Workflows | — | ✓ |
| Knowledge Graph | — | ✓ |
| LLM Interoperability | — | ✓ |
| Playbooks & Routines | — | ✓ |
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Basic — Style Guide and Team Style Guide available in Premium/Teams | Deep — Personality profiles, style guides, departmental brand/voice profiles, guardrails enforced across all outputs |
| Bulk Generation | ✕ | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — image generation listed as a platform capability in the feature comparison table |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | ✕ | — |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✓ | ✓ |
| Chrome Extension | ✓ | ✓ |
| CMS | No | WordPress, and enterprise CMS via advanced connectors |
| 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 | Salesforce, Figma, Slack, Google Drive, SharePoint, HubSpot, Confluence, Box, enterprise identity/SSO (SAML), SCIM provisioning, third-party guardrails, custom LLMs |
| Wordpress | ✕ | ✓ |
| Zapier | — | ✓ |

