AssemblyAI
AssemblyAI provides speech-to-text and audio intelligence APIs.
Our verdict
Who it's for
Speech-to-text API with high accuracy transcription
Who should look elsewhere
Expensive at scale
Pros
- +Good speech-to-text
- +Speaker diarization
- +Topic detection
- +Good accuracy
- +Fair pricing
Cons
- −Expensive at scale
- −Limited languages
- −Real-time latency
- −API only
- −Enterprise features limited
Key features
- ✓Speech-to-text API
- ✓Audio intelligence
- ✓Speaker diarization
- ✓LeMUR LLM integration
- ✓Streaming transcription
- ✓HIPAA compliance
- ✓EU data residency
- ✓Self-hosted deployment
- ✓Custom SLAs
- ✓55+ languages
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free trial credits | $50 | month | $50 in credits on signup, no credit card; 5 new streams per minute; All models and Audio Intelligence |
| Pay As You Go | $0.15 | month | Universal-2 pre-recorded $0.15/hr; Universal-3.5 Pro pre-recorded $0.21/hr; Universal-Streaming $0.15/hr |
| Enterprise | — | month | Volume pricing; Dedicated support; Custom rate limits |
Integrations
Zoom