DeepL vs Grammarly
A side-by-side comparison to help you choose between DeepL and Grammarly.
Our verdict
Choose DeepL if your primary need is high-quality, nuanced translation with custom glossaries; choose Grammarly if you need comprehensive English grammar, tone, and plagiarism checks across your daily writing apps. The core trade-off is between DeepL's unmatched translation accuracy (4.6 stars) and Grammarly's broader writing assistant features (4.5 stars) at similar price points—DeepL Pro from $8.74/mo, Grammarly Pro at $12/mo. DeepL excels at preserving meaning and layout in 100+ languages, while Grammarly integrates into browsers and editors to catch errors and suggest tone shifts. Both have free tiers, so you can test each without commitment.
| DeepL | Grammarly | |
|---|---|---|
| Description | The translation engine professionals prefer for nuance, plus DeepL Write for polishing native-level phrasing. | AI writing assistant that checks grammar, clarity, and tone, and generates or rewrites text across the apps you use. |
| Category | AI writing | AI writing |
| Pricing | paid · Free tier; Pro from $8.74/mo | freemium · Free tier; $12/mo Pro |
| Rating | 4.6 | 4.5 |
| Features | Text translation in 100+ languagesFile translation with layout preservationReal time voice translationWriting enhancement with DeepL WriteCustom glossary for consistent termsAPI for custom integrations | Grammar checkerTone suggestionsPlagiarism checkerAI detectorParaphrasing toolCitation generator |
| Website | Visit | Visit |
Choose DeepL if…
DeepL is ideal for multilingual teams, translators, and solopreneurs who regularly work with foreign-language content. Its custom glossary ensures brand consistency, and file translation with layout preservation saves hours on documents. At $8.74/mo, it's slightly cheaper than Grammarly Pro, making it a no-brainer for translation-heavy workflows. Beginners benefit from the simple interface, while API users can automate localization. If your work involves less English editing and more cross-language communication, DeepL is the clear choice.
Choose Grammarly if…
Grammarly fits native English writers, students, and professionals who need polished, error-free text in emails, reports, and social media. Its tone suggestions and plagiarism checker are invaluable for content creators and academic writers. At $12/mo, it's a modest investment for daily use across browsers, Office, and more. The AI detector and paraphrasing tool add modern relevance. If you rarely translate but constantly refine English prose, Grammarly's real-time feedback boosts your writing confidence.
Frequently Asked Questions
What are the main differences between DeepL and Grammarly?
DeepL specializes in translation with writing enhancement via DeepL Write, while Grammarly focuses on grammar, tone, plagiarism, and AI detection. DeepL supports 100+ languages for translation; Grammarly works primarily with English.
Which is more affordable, DeepL or Grammarly?
DeepL Pro starts at $8.74/mo, cheaper than Grammarly Pro at $12/mo. Both have free tiers with limited features. DeepL's free tier translates up to 1,500 characters per month; Grammarly's free tier checks grammar and tone.
Can DeepL and Grammarly be used together?
Yes, they complement each other. Use DeepL for accurate translation and Grammarly for polishing the English output. This workflow ensures both meaning and style are correct.
Which tool is better for a writer who only uses English?
Grammarly is better for English-only writers due to its grammar, tone, and plagiarism features. DeepL's writing enhancer is useful but not as comprehensive for native English editing.
Do both tools offer APIs for developers?
Yes, DeepL has a dedicated API for custom integrations; Grammarly also offers an API (Grammarly for Developers) but focuses on text suggestions. DeepL's API is more mature for translation workflows.
Template
Run Your Own AI Directory
Everything this site runs on — the directory, the pipelines, the admin console — delivered as one template you deploy and own.
- Full Next.js source code + 10 pipelines
- Admin console with built-in analytics
- Agent Skills for zero-config setup
- Self-hosted — no recurring platform fees
One-time purchase · License key + GitHub repo access · Deploy on any VPS