DeepL vs. Grammarly
DeepL or Grammarly? We compare the German AI translator with the real-time writing assistant — translation, correction, GDPR and price put to the test.
DeepL
DeepL ist der KI-Übersetzer aus Deutschland mit oft natürlicheren Ergebnissen als die Konkurrenz – plus DeepL Write zum Umformulieren. Kostenlose Stufe verfügbar.
Grammarly
Grammarly prüft Grammatik, Stil und Ton in Echtzeit und schreibt Texte per KI um – über Browser, Apps und Office hinweg. Großzügige kostenlose Stufe.
Criteria Comparison
Each criterion was evaluated in our standard test with identical tasks.
Price development, measured
We measure both entry prices daily. This is what has actually happened since we started tracking them.
Measured since 15 July 2026 · AI tool price index →
Our Verdict
"DeepL leads on translation and GDPR-compliant rephrasing, Grammarly on comprehensive real-time correction of English texts."
Choose DeepL if you need natural translations and, with DeepL Write, a rephrasing tool — as a German company with EU servers it also suits GDPR-sensitive cases. Ideal for multilingual work and German content.
Choose Grammarly if you want real-time correction of grammar, style and tone across browsers, apps and Office. The best choice for anyone who primarily writes English texts and wants them consistently error-free and stylistically sound.