Fact · Transcription
0.02US dollars per hour of audio
AssemblyAI's pricing page lists speaker diarization, which splits a transcript by speaker, at $0.02 per hour of audio.
Checked against its source on October 17, 2026
In the source's own words
“Detect multiple speakers in audio files and segment the transcript into utterances, showing what each speaker said. $0.02 /hr”
AssemblyAI pricing, AssemblyAI, 2026, Models section, Speaker Diarization row.
Open the original- What it measures
- The row sits beside the Universal-2 and Universal-3.5 Pro model prices. Speaker diarization is listed as a separate line with its own rate, so the speaker labels cost extra on top of the transcript.
- What it does not show
- A vendor's list price, checked on 2026-10-17, and it can change. It applies to pay-as-you-go use.