Grammarly vs Jasper AI
Jasper AI uniquely has 6 features.
| Grammarly | Jasper AI | |
|---|---|---|
| Company | ||
| Founded | 2009 | 2021 |
| HQ | San Francisco, USA | Austin, Texas, USA |
| AI model | Proprietary | LLM-agnostic (routes across multiple LLMs including GPT-4, Claude, and others, fine-tuned for marketing) |
| User base | 40 million+ | 100K+ |
| Platforms | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs | Web, Chrome Extension, Edge Extension, API |
| Languages | English primary, with fluency support for non-native English speakers | 30+ |
| Pricing | ||
| Free plan | Yes | No |
| Free trial | Yes — 7-day free trial for Pro | Yes — 7 days |
| Starting price | $12/mo (Pro plan, billed annually) | $59/mo per seat (Pro plan, billed monthly) |
| Enterprise | Custom | Custom pricing (Business plan — Contact Sales) |
| All plans | Free$0/moPro$30/moEnterpriseContact Sales | Pro$59/mo per seatBusinessCustom pricing |
| Positioning | ||
| Best for | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement | Marketing teams, content marketers, and enterprise brands needing scalable, on-brand content creation |
| 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. | Jasper is a purpose-built marketing AI platform with 100+ specialized agents, brand voice embedding via Jasper IQ, and enterprise-grade content pipelines that take campaigns from strategy to execution across every channel and market. |
| Competitors | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer | Copy.ai, Writesonic, HubSpot AI, Writer, Anyword, Notion AI, ChatGPT |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets | Deep — Jasper IQ embeds brand voice, tone, style guides, and audience profiles into every output across the team |
| Bulk Generation | ✕ | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — AI image generation, editing, background removal/replacement, upscaling, packshot compositing, and image text removal |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available on Pro and Enterprise plans | External — Copyscape integration add-on |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | — | ✓ |
| Chrome Extension | ✓ | ✓ |
| CMS | — | Webflow (confirmed); others via integrations marketplace |
| 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) | Zapier, Make, BigQuery, Google Sheets, Google Docs, Slack, Webflow, Chrome/Edge extension, Jasper MCP server |
| Wordpress | ✕ | — |
| Zapier | — | ✓ |