Assemblyai launches Universal-3 Pro Streaming at $0.45/hr for voice agents
What changed
Introduced Whisper-Streaming model at $0.30/hr as open-source Whisper enhanced with AssemblyAI infrastructure supporting 99+ languages
Introduced Universal-3 Pro Streaming model at $0.45/hr for voice agents with best-in-class accuracy and advanced prompting capabilities
Added Keyterms Prompting feature (included) for Universal-3 Pro Streaming to improve transcription accuracy with up to 100 words/phrases
Added Speaker Diarization add-on at $0.12/hr for streaming models to detect multiple speakers and segment transcripts
Added Prompting Beta add-on at $0.05/hr for controlling transcription behavior with plain language instructions
Before and after
Mar 2, 2026 vs Mar 9, 2026Introduced Whisper-Streaming model at $0.30/hr as open-source Whisper enhanced with AssemblyAI infrastructure supporting 99+ languages
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