Feature
Notta Speaker Diarization
What it does, and how to check it yourself.
Notta separates voices by comparing how they sound, not by what they say, which is why it can work in its 58 transcription languages. It cannot put a name on a voice by itself, so you rename the labels it gives you.
Checked November 2026 on each tool's own site. We ran no tests of our own.
What limits voice separation most?
Overlapping speech and similar voices on one microphone. Those two cause most wrong labels in any tool.