rev.ai
High-accuracy speech-to-text API with NLP insights — convert audio/video to transcripts, analyze sentiment, extract topics, and translate content.
| What is it | High-accuracy speech-to-text API with NLP insights — convert audio/video to transcripts, analyze sentiment, extract topics, and translate content. |
|---|---|
| Pricing | Paid |
| Free tier | Yes |
| Platform | API |
| API | Yes |
| Best for | transcribing customer service calls, adding captions to video content |
| Domain registered | 2017 |
Data updated Aug. 1, 2026
What does rev.ai do?
Rev AI is a comprehensive speech recognition API that converts audio and video files into accurate text transcripts. It offers both asynchronous processing for pre-recorded content and real-time streaming transcription, supporting 58+ languages. The service goes beyond basic transcription to provide language identification, sentiment analysis, topic extraction, summarization, and translation capabilities.
What sets Rev AI apart is its focus on accuracy and reduced bias. The system is trained on over 3 million hours of human-transcribed audio, resulting in lower word error rates across diverse accents, genders, and ethnic backgrounds compared to competitors. It delivers readable transcripts with proper grammar, punctuation, and formatting for phone numbers and addresses. The platform offers flexible deployment options including cloud and on-premise solutions, along with enterprise-grade security compliance (SOC II, HIPAA, GDPR, PCI).
Developers building voice-enabled applications benefit most from Rev AI. Use cases include transcribing customer service calls for analysis, creating captions for video content, analyzing podcast episodes for key topics, and processing multilingual meetings for international teams. Media companies, customer experience platforms, and research organizations frequently use it to extract insights from audio content at scale.
Key features
What makes it stand outWho is rev.ai for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardPay as you go
- 0.003 forced alignment per minute
- 0.2 reverb transcription per hour
- 0.0008 topic extraction per 10 words
- 1.99 human transcription per minute
- 0.0008 sentiment analysis per 10 words
- 0.025 summarization premium per minute
- 0.002 summarization standard per minute
- 0.003 language identification per minute
- 0.1 reverb turbo transcription per hour
- 0.005 whisper large transcription per minute
- 0.025 language translation premium per minute
- 0.005 whisper fusion transcription per minute
- 0.005 whisper medium transcription per minute
- 0.002 language translation standard per minute
- 0.3 reverb foreign language transcription per hour
- Free credits equivalent to 5 hours of Reverb ASR
- Supports all popular media types
- Email and chat support
Enterprise
- Volume-based pricing for all Rev AI products
- Flexible commercial terms
- Dedicated account manager
- Priority technical support
- Additional free credits for evaluation
- Highest level of data control and security
Trust & presence
Gallery
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