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Voice & audio

AssemblyAI

By AssemblyAI

Speech-to-text API plus audio intelligence: summarization, sentiment, topic detection, speaker diarization, and LeMUR for LLM-powered audio analysis.

Visit AssemblyAIHas free tier

Best for

  • meeting notes and action items
  • podcast analytics
  • audio content moderation
  • speaker diarization

Other Voice & audio