DeepL vs QuillBot
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
AI tool · Freemium
AI translation and writing improvement for text and documents.
AI tool · Freemium
A paraphrasing, grammar, summarising and citation tool popular with students.
Our verdict
DeepL is primarily a translation tool that also rewrites text, and it is often among the most natural-sounding translators, especially for whole documents. QuillBot is a writing assistant built around paraphrasing, grammar checking, summarising and citations, and it is popular with students. Choose based on whether your main job is translating between languages or polishing and reworking your own English text.
Pick DeepL if you need to translate text or whole documents with high-quality output, or want glossaries and a translation API.
Pick QuillBot if you want to reword sentences, check grammar, summarise sources, or generate citations, especially as a student.
| Key difference | DeepL | QuillBot |
|---|---|---|
| Main purpose | Translation of text and documents, plus rephrasing via DeepL Write. | Paraphrasing, grammar checking, summarising and citation generation. |
| Best at | High-quality translation, including translating whole documents. | Rewording sentences with several paraphrasing modes and summarising sources. |
| Extra tools | Glossaries and a Translation API. | Grammar checker and citation generator. |
| Price | Freemium. | Freemium. |
| Platforms | Web, macOS, Windows, iOS, Android, Chrome and API. | Web, Chrome, macOS and Windows; no mobile apps listed. |
Written with AI from both products' catalogue entries · updated 2026-10-29
Who each one is for
Choose DeepL if you need…
- High-quality translation
- Translating whole documents
Choose QuillBot if you need…
- Rewording sentences
- Students summarising sources
Side-by-side
| DeepL | QuillBot | |
|---|---|---|
| Type | Writing · Translation | Writing · Editing & grammar |
| Price | Freemium | Freemium |
| Platforms | Web, macOS, Windows, iOS, Android, Chrome, API | Web, Chrome, macOS, Windows |
| Works with | Chrome, Microsoft 365 | Chrome, Microsoft 365, Google Workspace |
| Hands-on tested by us | Not yet | Not yet |
| Last checked | 2026-10-29 | 2026-10-29 |
What each one is
DeepL
AI translation and writing improvement for text and documents. Often among the most natural-sounding translators. Have a native speaker review anything legal, medical or customer-facing.
QuillBot
A paraphrasing, grammar, summarising and citation tool popular with students. Handy for rephrasing. Over-paraphrasing can raise academic-integrity concerns; follow your institution's rules.
Best for
DeepL
- High-quality translation
- Translating whole documents
QuillBot
- Rewording sentences
- Students summarising sources
Strengths
DeepL
- Text and document translation
- Glossaries
- DeepL Write for rephrasing
- Translation API
QuillBot
- Paraphraser with modes
- Grammar checker
- Summariser
- Citation generator
Frequently asked questions
Should I use DeepL or QuillBot?
DeepL is primarily a translation tool that also rewrites text, and it is often among the most natural-sounding translators, especially for whole documents. QuillBot is a writing assistant built around paraphrasing, grammar checking, summarising and citations, and it is popular with students. Choose based on whether your main job is translating between languages or polishing and reworking your own English text. Pick DeepL if you need to translate text or whole documents with high-quality output, or want glossaries and a translation API. Pick QuillBot if you want to reword sentences, check grammar, summarise sources, or generate citations, especially as a student.
What is the difference between DeepL and QuillBot?
DeepL: AI translation and writing improvement for text and documents. QuillBot: A paraphrasing, grammar, summarising and citation tool popular with students. DeepL suits high-quality translation, while QuillBot suits rewording sentences.
Are DeepL and QuillBot free?
DeepL: Freemium. QuillBot: Freemium.
What are other alternatives to DeepL and QuillBot?
Other options people compare them with include Grammarly, LanguageTool, ProWritingAid, Wordtune, Hemingway Editor.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.