DeepL vs QuillBot
DeepL and QuillBot are both writing AI tools, tracked here on price, platforms, integrations, and capabilities. Every figure below is read from the vendor's own pages and dated. No score and no winner: the facts do the picking.
DeepL
Machine translation for text, documents, and speech
DeepL translates text and full documents between more than 30 languages. It keeps formatting intact when translating PDF, Word, and PowerPoint files. The free API tier covers 500,000 characters per month.
QuillBot
AI-powered writing platform for paraphrasing, grammar checking, and content creation
QuillBot provides an AI-powered writing platform featuring a paraphrasing tool, grammar checker, summarizer, and AI detector used by over 35 million writers worldwide.
At a glance
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Checked against the vendors. Written from each vendor's own site and last re-checked there: DeepL on August 31, 2026 · QuillBot on August 31, 2026. Vendors change pricing and features without notice, so confirm anything that decides your purchase on the vendor's page.
Also in writing
A tool we have an affiliate relationship with. It is not part of the comparison above and we are not calling it the better pick.

- Academic integrity checks in higher education and K-12
- Editorial and publishing submission originality reviews
- Automated trust and safety moderation for user-generated content
Key features
DeepL
- Translates text between more than 30 languages
- Translates PDF, Word, and PowerPoint files with formatting kept
- DeepL Write suggests grammar and style improvements
- Glossaries pin how specific terms get translated
- REST API with a free monthly character quota
QuillBot
- State-of-the-art paraphrasing tool with multiple modes
- Grammar and spell checker for error-free text
- AI content detector to identify machine-generated text
- Plagiarism checker scanning against online content databases
- Citation generator supporting APA, MLA, and Chicago styles
What each one does well
DeepL
- ✓ Translating business documents without losing formatting
- ✓ Teams that need consistent terminology via glossaries
- ✓ Developers adding translation through an API
QuillBot
- ✓ Paraphrasing and rewriting text
- ✓ Checking essays and articles for plagiarism
- ✓ Generating academic citations
People also ask
What is the difference between DeepL and QuillBot?
Both are tracked for translation. Of the capabilities they do not share, only DeepL is tracked for documents, writing-assistant, developer-api, and only QuillBot is tracked for generative-writing, grammar-checker, spell-checker, summarization, citations.
How much do DeepL and QuillBot cost?
DeepL: free plan available. QuillBot: free plan, then $8.33/mo.
Answers are generated from the tracked plans and capability tags shown above, so they move when the vendors' pages do.
Full fact sheets, FAQs, and discussion links: DeepL · QuillBot · all writing tools