DeepL
Grammarly
| Feature | DeepL | Grammarly |
|---|---|---|
| Pricing | Free / from $8.74/mo | Free / from $12/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.7 / 5 | 4.5 / 5 |
| Best For | translators, international-businesses, writers, academics, legal-teams | writers, students, professionals, non-native-speakers |
| Founded | 2017 | 2009 |
| Translation | ✓ | ✗ |
| Document Translation | ✓ | ✗ |
| Glossary | ✓ | ✗ |
| Write Assistant | ✓ | ✗ |
| Api | ✓ | ✗ |
| Browser Extension | ✓ | ✓ |
| Desktop App | ✓ | ✗ |
| Grammar | ✗ | ✓ |
| Spelling | ✗ | ✓ |
| Tone | ✗ | ✓ |
| Clarity | ✗ | ✓ |
| Plagiarism | ✗ | ✓ |
✓ DeepL Pros
- Superior translation quality for European languages
- Document translation preserving formatting
- Glossary for consistent terminology
- Write feature for AI writing assistance
✗ DeepL Cons
- Fewer languages than Google Translate (33 vs 130+)
- Free tier limited to 1,500 characters
- Less accurate for Asian languages
✓ Grammarly Pros
- Works everywhere
- Clear suggestions
- Tone detection
- Plagiarism checker
✗ Grammarly Cons
- Premium is pricey
- Can over-correct
- Privacy concerns
The Verdict
DeepL is built for translators and international businesses, with a focus on translation and document-translation. Grammarly targets writers and students and leads with grammar and spelling.
Pricing is close: DeepL starts at $8.74/mo versus $12/mo for Grammarly — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, DeepL offers broader built-in capabilities (7 features vs 6), while Grammarly takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for writers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.
