Neural versus phrase-based MT quality: An in-depth analysis on English-German and English-French.

•Evaluation through high quality post-edits performed by professional translators.•Focus on English–German and English–French language directions.•Neural MT makes impressively less lexical, morphology, and word order errors.•Neural MT best models reordering of verbs (En-De) and nouns (En-Fr).•Neural MT makes remarkably more errors in the translation of proper nouns.