Grammarly vs WordAi
WordAi uniquely has 3 features · Grammarly uniquely has 2 features.
| Grammarly | WordAi | |
|---|---|---|
| Company | ||
| Founded | 2009 | 2013 |
| HQ | San Francisco, USA | Baltimore, MD, USA |
| AI model | Proprietary | Proprietary (advanced machine learning models) |
| User base | 40 million+ | — |
| Platforms | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs | Web |
| Languages | English primary, with fluency support for non-native English speakers | English primarily (some multilingual support not publicly confirmed) |
| Pricing | ||
| Free plan | Yes | No |
| Free trial | Yes — 7-day free trial for Pro | Yes — 3 days |
| Starting price | $12/mo (Pro plan, billed annually) | $27/mo (Yearly plan, billed annually) |
| Enterprise | Custom | Custom |
| Refund policy | — | 30-day money-back guarantee (for users who rewrite fewer than 10 articles) |
| All plans | Free$0/moPro$30/moEnterpriseContact Sales | Monthly$57/moYearly$27/moEnterpriseCustom |
| Positioning | ||
| Best for | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement | Content marketers, SEO professionals, and agencies needing to scale content output through AI-powered article rewriting |
| Differentiator | The most widely adopted AI writing assistant, trusted by 40 million users and 50,000 organizations, offering real-time grammar, tone, plagiarism, and AI detection with enterprise-grade security and style guide enforcement. | WordAi completely restructures sentences from scratch using meaning-based AI rather than simple synonym swapping, producing human-quality rewrites that pass AI detection and Copyscape checks at up to 1,000 variations per article. |
| Competitors | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer | Quillbot, Spin Rewriter, Chimp Rewriter, Article Forge, Jasper |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✕ |
| Brand Voice | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets | No |
| Bulk Generation | ✕ | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | ✕ | ✕ |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available on Pro and Enterprise plans | External — rewrites pass Copyscape (not a built-in checker) |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✕ |
| Integrations | ||
| API Access | — | ✓ |
| Chrome Extension | ✓ | ✕ |
| Google Docs | ✓ | ✕ |
| Key Integrations | Google Docs, Microsoft Office (Word), Chrome, Safari, Firefox, Edge, Windows desktop app, Mac desktop app, iPhone, iPad, Android, Zendesk (shown in marketing) | Article Forge (import articles), API (custom workflow integration), Spintax export, HTML support |
| Wordpress | ✕ | ✕ |