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AssemblyAI
AudioDeveloper-focused AI speech-to-text API
4.6(1,400)
About AssemblyAI
AssemblyAI provides best-in-class speech-to-text, speaker diarization, sentiment analysis, and audio intelligence APIs — used by developers building transcription features.
Key Features
- Speech-to-text API
- Speaker diarization
- Sentiment analysis
- Topic detection
- PII redaction
Pros & Cons
Pros
- Best-in-class accuracy
- Great developer docs
- Rich audio intelligence
- Fair pricing
Cons
- Developer-only (no GUI)
- API knowledge required
- English-focused
speech-to-textapideveloperdiarizationtranscription