Claude vs LanguageTool
Claude uniquely has 24 features · LanguageTool uniquely has 8 features.
| Claude | LanguageTool | |
|---|---|---|
| Company | ||
| Founded | 2021 | 2003 |
| HQ | San Francisco, USA | Potsdam, Germany |
| AI model | Claude (Fable, Opus, Sonnet, Haiku — Proprietary by Anthropic) | Proprietary |
| User base | Millions+ (exact not publicly stated) | 3M+ Chrome users |
| Platforms | Web, iOS, Android, Desktop | Web, Chrome, Firefox, Edge, Safari, Opera, macOS, Windows, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird |
| Languages | 25+ | 30+ languages and dialects |
| Pricing | ||
| Free plan | Yes | Yes |
| Free trial | No | — |
| Starting price | $0/mo | $4.99/mo (Premium, 2-year plan) |
| Enterprise | Custom pricing — contact sales | Custom — contact for Business/API |
| All plans | FreeFreePro$20MaxFrom $100Team Standard$25Team Premium$125EnterpriseCustom usage | Premium$12.45/mo or $24.95/quarterlyTeams$5.53/mo |
| Positioning | ||
| Best for | Individuals, developers, teams, and enterprises needing advanced AI assistance for writing, coding, research, and complex reasoning | Multilingual writers, non-native English speakers, professionals needing grammar and style checking across 30+ languages |
| Differentiator | Claude combines Constitutional AI safety training with powerful reasoning, massive context windows, and a growing suite of agentic tools (Claude Code, Cowork, Design, Science) all under one platform built by Anthropic. | Privacy-focused, GDPR-compliant AI grammar and style checker supporting 30+ languages with browser and office integrations, at a lower price point than Grammarly |
| Competitors | ChatGPT, Gemini, Copilot, Perplexity | Grammarly, ProWritingAid, Hemingway Editor, Wordtune, Ginger |
| Features | ||
| Claude Code | ✓ | — |
| Claude Cowork | ✓ | — |
| Claude Design | ✓ | — |
| Claude Science | ✓ | — |
| Microsoft 365 Integration | ✓ | — |
| Remote Mcp Connectors | ✓ | — |
| AI Assistant | ✓ | — |
| AI Copywriting | — | ✓ |
| AI Research | — | ✕ |
| Brand Voice | — | Basic — Style Guide and Team Style Guide available in Premium/Teams |
| Browser Extension | ✓ | — |
| Bulk Generation | — | ✕ |
| Calendar Integration | ✓ | — |
| Content Editor | — | ✓ |
| Document Creation | ✓ | — |
| Email Management | ✓ | — |
| Grammar Style | — | ✓ |
| Image Generation | — | ✕ |
| Long Form Writing | — | ✓ |
| Meeting Summary | ✓ | — |
| Mobile App | ✓ | — |
| Note Taking | ✓ | — |
| Offline Mode | ✕ | — |
| Paraphrasing | — | ✓ |
| Plagiarism Checker | — | ✕ |
| Project Management | ✓ | — |
| Research Assistant | ✓ | — |
| SEO Optimization | — | ✕ |
| Short Form Writing | — | ✓ |
| Spreadsheet AI | ✓ | — |
| Task Automation | ✓ | — |
| Team Collaboration | ✓ | — |
| Templates | — | ✕ |
| Integrations | ||
| API Access | ✓ | ✓ |
| Browser Extension | ✓ | — |
| Chrome Extension | — | ✓ |
| CMS | — | ✕ |
| Google Calendar | ✓ | — |
| Google Docs | — | ✓ |
| Google Drive | ✓ | — |
| Key Integrations | Google Workspace, Slack, Microsoft 365, Microsoft Outlook, Microsoft Excel, AWS, Google Cloud Vertex AI, Microsoft Azure Foundry, remote MCP connectors | Chrome, Firefox, Edge, Safari, Opera, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird, macOS app, Windows app |
| Microsoft 365 | ✓ | — |
| Slack Integration | ✓ | — |
| Wordpress | — | ✕ |