What AssemblyAI Universal does
AssemblyAI Universal-2 provides the most accurate transcription with speaker diarization and PII redaction.
How AssemblyAI Universal compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as AssemblyAI Universal does. 4 of the 5 offer an API, as AssemblyAI Universal does. AssemblyAI Universal was founded in 2017; the alternatives were founded between 2010 and 2023, 2 of them earlier. AssemblyAI Universal is based in San Francisco, United States; 3 of the 4 alternatives with a known headquarters are in the United States too, and the others in the United Kingdom.