Grammarly vs HyperWrite
HyperWrite uniquely has 2 features · Grammarly uniquely has 1 feature.
| Grammarly | HyperWrite | |
|---|---|---|
| Company | ||
| Founded | 2009 | 2020 |
| HQ | San Francisco, USA | San Francisco, USA |
| AI model | Proprietary | GPT-4 based (OthersideAI proprietary layer) |
| User base | 40 million+ | 100K+ |
| Platforms | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs | Web, Chrome Extension |
| Languages | English primary, with fluency support for non-native English speakers | English primarily, some multilingual support |
| Pricing | ||
| Free plan | Yes | Yes |
| Free trial | Yes — 7-day free trial for Pro | Yes — limited monthly credits on free tier |
| Starting price | $12/mo (Pro plan, billed annually) | $16/mo (Premium, billed annually) |
| Enterprise | Custom | — |
| All plans | Free$0/moPro$30/moEnterpriseContact Sales | Premium$19.99/moUltra$44.99/mo |
| Positioning | ||
| Best for | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement | Writers, students, professionals, and knowledge workers seeking AI-assisted writing, research, and email drafting |
| 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. | Combines predictive autocomplete TypeAhead suggestions, real-time web and scholarly research with citations, and hundreds of specialized AI tools in a single Chrome extension and web editor |
| Competitors | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer | Jasper, Copy.ai, Writesonic, Grammarly, Notion AI |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets | Deep — up to 10 Custom Personas to match personal writing style |
| Bulk Generation | ✕ | — |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | ✕ | ✕ |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available on Pro and Enterprise plans | No |
| SEO Optimization | ✕ | — |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| 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) | Chrome Extension (works across web apps), standalone web editor |
| Wordpress | ✕ | — |