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What is Rev AI?

Rev AI is a speech-to-text API platform built for developers who need accurate, scalable, and fast transcription. The platform converts prerecorded audio files into transcripts and also supports real-time transcription from streaming audio. Rev AI supports more than 57 languages with grammar, punctuation, formatting, and consistently low word error rates. Its proprietary speech recognition models are trained on a carefully selected subset of more than 7 million hours of human-verified speech data. The platform is designed to deliver strong accuracy across many use cases, speakers, accents, nationalities, genders, and ethnic backgrounds. Developers can get started quickly with Rev AI’s API, SDKs, documentation, and support. The platform supports cloud and on-premises deployment for teams with different infrastructure and security needs. Rev AI includes AI Insights that help teams go beyond transcription through language identification, sentiment analysis, topic extraction, summarization, and translation. Its forced alignment and precision timestamp capabilities provide word-level timing for searchability, accessibility, media workflows, and content indexing. Enterprise-grade security features include SOC II, HIPAA, GDPR, and PCI compliance, 99.99% uptime, and encryption at rest and in transit. By combining accurate speech-to-text, real-time streaming, multilingual coverage, developer tools, AI insights, precision timestamps, and enterprise security, Rev AI helps organizations turn spoken content into reliable data.

What is Cartesia Ink 2?

Ink 2 is Cartesia’s latest and most sophisticated streaming speech-to-text model, tailored specifically for production voice agents, and it features the industry's lowest word error rate alongside exceptional turn detection capabilities. This model shines in its ability to accurately transcribe structured data such as phone numbers, dates, and email addresses on the initial attempt, while also instinctively identifying when a speaker starts and stops talking, thus negating the requirement for a separate voice activity detection system. The built-in turn detection facilitates seamless responses from voice agents to various events, eliminating the hassle of analyzing raw transcript fragments. Ink 2 produces a detailed array of turn events that provide agents with clear indicators on when to listen, interrupt, reflect, prepare to respond, retract an inappropriate response, or engage in dialogue. Furthermore, the transcript maintains a cumulative format throughout each turn, ensuring that every update reflects the entire text transcribed up to that moment rather than merely highlighting incremental changes, with the emitted text being deemed final immediately upon transmission. This cutting-edge design significantly elevates the quality of interactions between voice agents and users, fostering smoother and more effective conversations while enhancing overall user experience. Ultimately, Ink 2 represents a significant leap forward in the realm of speech recognition technology.

Media

Media

Integrations Supported

Quickwork
Rev
Workers by Delos

Integrations Supported

MachinesFluent

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Web-Based Support

Training Options

Not specified

Training Options

Documentation Hub

Company Facts

Organization Name

Rev

Date Founded

2010

Company Location

United States

Company Website

www.rev.ai/

Company Facts

Organization Name

Cartesia

Date Founded

2023

Company Location

United States

Company Website

docs.cartesia.ai/build-with-cartesia/stt/latest

Categories and Features

Speech Recognition

Not specified

Speech to Text

Not specified

Categories and Features

AI Models

Not specified

AI Voice Models

Not specified

Speech to Text

Not specified

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