Cozzo
AssemblyAI logo

Speech-to-text and speech understanding APIs.

Price
Streaming from $0.15/hr; $50 free credits
Best for
Accurate, inexpensive transcription
Visit AssemblyAI ↗Pricing source

Last verified against the vendor’s own page · How we verify

AssemblyAI pricing breakdown

Pay as you go, per hour (streaming billed on session time)

  • Universal-Streaming (English or multilingual): $0.15/hr
  • Universal-3.6 Pro Realtime: $0.45/hr
  • Pre-recorded: Universal-2 $0.15/hr, Universal-3.5 Pro $0.21/hr
  • Voice Agent API: $0.075/min all-in
  • $50 free credits, no card

Key features

  • Streaming from $0.15/hr
  • HIPAA BAA signable without a sales call
  • $50 free credits
  • Voice Agent API at $0.075/min all-in

Alternatives in Speech-to-Text & Text-to-Speech

Deepgram logoDeepgramSpeech-to-text→Cartesia logoCartesiaLow-latency realtime text-to-speech models→Hume AI logoHume AIEmotionally expressive voice AI and speech models→Speechmatics logoSpeechmaticsSpeech recognition API supporting many languages→Gladia logoGladiaRealtime and async speech-to-text API→Soniox logoSonioxSpeech recognition models and API→
All speech-to-text & text-to-speech →

Related

Deepgram vs AssemblyAI →Best Speech-to-Text APIs for Voice Agents →