DeepL

DeepL is an end-to-end, AI-first language platform that translates text, documents, media, and real-time speech, plus a Write tool for refining business writing, powered by its own specialized LLM trained on proprietary data. It's built for businesses and enterprise teams in fields like legal, life sciences, finance, manufacturing, retail, and government who need accurate, secure translation and localization at scale. Its main differentiator is a reputation for high translation quality and enterprise features like custom glossaries, tone/style control, and format-preserving document translation.