Overview
Rev AI is a developer-first speech-to-text API from Rev. It is built for companies that need to transcribe recorded audio, process files asynchronously, or stream live audio for captions and real-time applications.
The product is most relevant for engineering teams building transcription into applications, media workflows, call analytics, accessibility tools, research platforms, and content operations. Rev emphasizes accuracy, scale, language coverage, and real-world audio performance rather than only a simple upload-and-download transcription interface.
As of April 28, 2026, Rev AI's public site highlights asynchronous processing, streaming transcription, free trial credits equivalent to 5 hours of Reverb ASR, 57+ language coverage, low word error rate claims, security messaging, HIPAA availability, SOC 2 Type II, and pricing-page rates including Reverb ASR from $0.20/hour, Reverb Turbo from $0.10/hour, foreign-language transcription from $0.30/hour, Whisper options at $0.005/minute, and human transcription at $1.99/minute.
For adjacent research, compare AI music generator tools, AI music generator guide, AI music video generator tools.
Key Features
- Asynchronous speech-to-text API - Process pre-recorded files and receive transcripts through an API workflow.
- Streaming transcription - Use real-time transcription for live captions, broadcasts, and interactive applications.
- Language coverage - Rev AI publicly highlights support for 57+ or 58+ languages depending on product page and API context.
- Speaker and channel workflows - Batch transcription can support multi-speaker and multi-channel use cases.
- Security options - Rev highlights no data sold to third parties, HIPAA availability, and SOC 2 Type II messaging.
- Developer-first integration - API docs, webhooks, and structured outputs make it suitable for product teams.
Pricing & Plans
Rev AI pricing is usage based, and new users receive free credits equivalent to 5 hours of Reverb ASR. Public pay-as-you-go rates include Reverb Transcription at $0.20/hour for English, Reverb Turbo at $0.10/hour for English, Reverb Foreign Language Transcription at $0.30/hour, Whisper Fusion and Whisper Large at $0.005/minute, Human Transcription at $1.99/minute, Forced Alignment at $0.003/minute, and add-on Insight APIs priced by minute or word volume. Buyers should still verify the pricing page before committing because usage rates and add-ons can change.
| Pricing component | Pricing | Best fit |
|---|---|---|
| Pay-as-you-go API usage | Free credits equivalent to 5 hours of Reverb ASR; Reverb Transcription $0.20/hour, Reverb Turbo $0.10/hour, Reverb Foreign Language $0.30/hour, Whisper Fusion/Large $0.005/minute | Developers embedding automated transcription into apps or workflows |
| Human transcription | Rev AI pricing page lists Human Transcription at $1.99/minute, with a 15-second minimum shown for API pricing; Rev consumer-facing human transcription/caption services may have separate pricing | Workflows that need human-reviewed output |
| Enterprise or compliance needs | Volume-based pricing / contact sales; includes flexible commercial terms, dedicated account manager, priority technical support, additional evaluation credits, and higher data-control/security options | Buyers needing HIPAA activation, high scale, or custom terms |
Rev AI should be evaluated on total cost per usable transcript, not only headline minute pricing.
Best For
Rev AI is best for product teams, media companies, accessibility workflows, contact center analytics, and developers that need speech-to-text infrastructure. Casual users who only need one transcript may prefer Rev's consumer-facing services.
FAQ
What is Rev AI?
Rev AI is a speech-to-text API for converting recorded or streaming audio into transcripts.
Does Rev AI support real-time transcription?
Yes. Rev AI supports streaming transcription for real-time use cases.
How much does Rev AI cost?
Rev AI uses usage-based pricing. As of the checked pricing page, free trial credits equal 5 hours of Reverb ASR, automated API rates start at $0.10/hour for Reverb Turbo and $0.20/hour for Reverb Transcription, foreign-language transcription is listed at $0.30/hour, Whisper options are listed at $0.005/minute, and Enterprise is volume-based/contact sales. Check Rev's pricing page for the latest rates.
Who should use Rev AI?
It is best for developers and teams embedding transcription into applications or workflows.
Does Rev AI replace human review?
No. It can speed up the workflow, but important outputs should still be checked for accuracy, quality, and fit before production use.
What should teams test before buying Rev AI?
Test the real workflow with representative inputs, exports, integrations, collaboration needs, and any compliance requirements.




