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AssemblyAI speech-to-text, streaming transcription, voice agent, and speech understanding pricing.
Models
Universal
Audio$0.15
Universal-2
AudioAssemblyAI lower-cost pre-recorded speech-to-text model supporting 99 languages.
$0.15 / $0
Universal-3 Pro
AudioAssemblyAI most accurate pre-recorded speech-to-text model.
$0.21 / $0
Universal-3 Pro Streaming
AudioAssemblyAI high-accuracy streaming speech-to-text model for voice agents.
$0.45 / $0
Voice Agent API
AudioAssemblyAI proprietary voice-agent stack built on streaming speech-to-text.
$4.5 / $0