Grammarly vs Writesonic
Grammarly and Writesonic are both AI writing tools aimed at small businesses and creators. Grammarly costs less, from $12/mo versus $99/mo for Writesonic. Only Grammarly has a free plan.
Writing assistant for grammar, tone and generation
AI writing with SEO focus
| Pricing | Freemium · $12 | Paid · $99 |
| Starting price | $12/mo | $99/mo |
| Free plan | Yes | No |
| Free trial | — | 7 days |
| Built for | Small businesses, Creators, Enterprise | Small businesses, Creators |
| Platforms | web, macos, windows, ios, android | web |
| Country | US · 2009 | US · 2020 |
| Rating | — | — |
Choose Grammarly if
Anyone writing professionally in English, and teams wanting consistent style.
- Works everywhere you write
- Excellent English correction
- Team style enforcement
Look elsewhere if: Turkish writing (use DeepL Write or native tools) or confidential text without enterprise controls.
Choose Writesonic if
Content marketers combining SEO writing with AI visibility.
- SEO and GEO in one
- Fast article drafts
- AI visibility tracking
Look elsewhere if: Writers wanting full control.
Grammarly vs Writesonic pricing
Grammarly
- Free$0Basic grammar and spelling, 100 AI prompts/mo
- Pro$12/member/mo2,000 AI prompts/member/mo, style guide, brand tone
- EnterpriseCustomUnlimited AI prompts, DLP, BYOK
Writesonic
- Starter$99/mo$79/mo billed annually; 1 user, 15 AI articles/mo
- Basic$249/mo$199/mo billed annually; 2 users, 25 articles/mo
- Growth$499/mo$399/mo billed annually; 3 users, Action Center
- EnterpriseCustomAll 9 AI platforms, SSO/SAML, strategy team
Grammarly · Key features
- Grammar, spelling and punctuation correction
- Tone, clarity and conciseness suggestions
- AI rewriting and generation
- Plagiarism and AI-content detection
- Style guides, brand tones and snippets for teams
- Works across apps via extension and desktop
Cons
- English-centric
- Suggestions can flatten voice
- Privacy concerns for sensitive text
Writesonic · Key features
- SEO-optimized article writer
- Content audit and optimization
- AI search visibility (GEO)
- Chatsonic assistant
- Brand voice
- WordPress publishing
Cons
- Credits limit volume
- Drafts need editing
- Pricing increased
Grammarly vs Writesonic: FAQ
Which is cheaper, Grammarly or Writesonic?
Grammarly starts at $12/mo and Writesonic at $99/mo. Both prices are checked on the vendors' own pricing pages.
Do Grammarly and Writesonic have a free plan?
Grammarly has a free plan. Writesonic has no free plan, a 7-day free trial.