rev.ai
Highly accurate AI speech-to-text API and automated transcription service.
What is rev.ai?
Rev AI is a highly accurate speech to text API and automated speech recognition service designed to power video and voice applications. Built by Rev, the platform leverages models trained on over 3 million hours of human-transcribed audio to offer a top-tier speech to voice recognition solution. Through platforms like the rev.ai infrastructure, users can access an advanced speech to text api that provides both asynchronous and real-time streaming audio transcription. The platform also offers automated insights such as language identification, sentiment analysis, and topic extraction, serving as a comprehensive rev ai transcription ecosystem with minimal word error rates across various gender and ethnic accents.
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These use cases show where rev.ai fits best, ranked by fit score before popularity or pricing.
rev.ai Pricing Plans
Compare rev.ai free options, rev.ai paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.
Starts at $0.003/min
High accuracy asynchronous or streaming speech-to-text API services
Pricing updated:Jun 12, 2026
rev.ai AI Features
rev.ai Pros and Cons
Pros
- Extremely low Word Error Rate (WER) outperforming many competitors
- Demonstrates the least bias for various gender, nationalities, and ethnic accents
- Delivers highly readable transcripts with proper grammar, punctuation, and formatted addresses/phone numbers
- Meets world-class security standards with SOC II, HIPAA, GDPR, and PCI compliance
- Offers quick implementation with accessible SDKs for Python and Node
Limitations
- Advanced insights like sentiment analysis and topic extraction are currently English-only
- Human transcription is limited to English only
- Streaming transcription supports fewer languages (9) compared to asynchronous mode (58+)