German Business Writing AI: Why Sie and du Are Not the Hard Part
September 30, 2026
German business writing AI drafts get Sie and du right and the register wrong: greeting, softeners, closing, rhythm. Why adjectives fail and what to hand AI.
Insights on AI writing, voice capture, and building your digital twin.
September 30, 2026
German business writing AI drafts get Sie and du right and the register wrong: greeting, softeners, closing, rhythm. Why adjectives fail and what to hand AI.
September 25, 2026
Tu vous AI French writing: why ChatGPT picks the wrong register in French business email, why 'professionnel mais chaleureux' fails, and what to hand it.
September 15, 2026
Keigo AI email drafts fail on register, not grammar: why ChatGPT flattens 敬語, where the level slips, and how to give AI your own Japanese patterns instead.
September 15, 2026
AI English sounds translated even when the grammar is perfect. Why models write the average of English, why 'natural' fails, and what to hand AI instead.
March 21, 2026
Bilingual professionals shift voice, structure, and formality across languages. AI misses this entirely. Multilingual voice preservation fixes it.
February 17, 2026
Our data from 320 samples across 4 languages reveals dramatic AI stylometric differences. French conciseness drops to 32; Spanish expressiveness to 59. Includes a correction: our Japanese expressiveness figure was a measurement error.
February 17, 2026
We compared GPT-5.2, Claude, and Gemini across English, French, Spanish, and Japanese. The best model varies by language — and some results will surprise you.