Rev.ai
Speech-to-text API from Rev with high-accuracy transcription for developers building voice features.
Pricing Pay-as-you-go from $0.20/hr (Reverb English) / Whisper Large $0.005/min / Human $1.99/min / Volume discounts
Category Notetakers & Recording
Rev.ai scorecard
How we grade B+ 77/100
Overall grade
Accurate human-trained transcription API, lighter on AI features.
Idea B+ Human-trained speech-to-text API is a credible angle.
Brand B+ Rev is a recognized transcription brand.
Product B+ Strong accuracy across accents and conditions.
Market fit B Fits developers needing reliable raw transcription.
Adoption B Established usage behind the Rev transcription brand.
Features B Streaming and async, fewer AI extras than rivals.
Security B+ Enterprise focus supports stronger posture.
Value B+ Predictable $0.20 per hour Reverb pricing.
Strengths & limitations
Strengths
- +High accuracy from human-trained models
- +Simple, predictable pricing ($0.20/hr Reverb English)
- +Free credits worth 5 hours of Reverb
- +Good documentation and quick start
Limitations
- –Fewer AI features than Symbl or AssemblyAI
- –Limited real-time processing features
- –Reverb's $0.20/hr rate is English only; other languages cost $0.30/hr
What makes Rev.ai different
Rev.ai combines Rev human-trained models with developer-friendly APIs. It benefits from Rev vast corpus of human-transcribed data, giving it strong accuracy on diverse accents and audio conditions. Offers both streaming and async APIs.
Key features
- Streaming and async transcription APIs
- Speaker diarization
- Custom vocabulary
- Topic extraction
- Sentiment analysis
