Back to Directory
Visit site Full review →
Visit site Full review →
AI Tool Comparison
DeepL vs Grammarly
A side-by-side breakdown to help you pick the right tool for your workflow.
DeepL
Translate text and documents that actually read naturally, not like they came out of a machine.
Writing
freemium
Grammarly
Catch grammar and clarity issues as you write, then let built-in AI agents draft, rewrite, and complete tasks across your apps. Grammarly's parent company rebranded to Superhuman in October 2025.
Writing
freemium
| Attribute | DeepL | Grammarly |
|---|---|---|
| Category | Writing | Writing |
| Pricing | freemium | freemium |
| Pricing Detail | Free 50,000 characters/mo / from $8.74/mo for higher limits | Free / $12/mo Pro (annual) / Enterprise custom |
| Rating | ★ 4.7(18,500 reviews) | ★ 4.7(25,000 reviews) |
Key Features
DeepL
- Text translation across 30+ languages with contextual accuracy
- Document translation preserving original formatting (Word, PowerPoint, PDF)
- Built-in glossary support for consistent terminology
- Browser extension and desktop app for translate-anywhere workflows
- Write Pro add-on for tone and style rewriting in the source language
Grammarly
- Grammar and spelling checks
- Tone detection
- Plagiarism checker
- Generative AI co-creator
- Browser extension
Pros
DeepL
- •Translation quality is consistently rated above Google Translate for nuance
- •No credit card required to start on the free plan
- •Document translation keeps formatting intact instead of dumping raw text
Grammarly
- •Works everywhere you write
- •Highly accurate suggestions
- •Improves overall writing quality
- •Generative features are helpful
Cons
DeepL
- Free tier's 50,000 characters/month runs out fast for regular use
- Only one file translation and one glossary allowed on the free plan
- Fewer supported languages than Google Translate's long tail
Grammarly
- Premium plan is somewhat pricey
- Can be overly pedantic
- Generative features are basic compared to ChatGPT