Cheetah

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Cheetah is an on-device streaming speech-to-text engine powered by deep learning. It offers accurate, compact, and computationally-efficient real-time transcription across multiple platforms.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is cheetah?

Cheetah is an on-device streaming speech-to-text engine developed by Picovoice, leveraging deep learning for highly accurate and efficient transcription. Designed for privacy, all voice processing occurs locally on the device. It boasts a compact footprint and is computationally efficient, making it suitable for a wide range of platforms including Linux, macOS, Windows, Android, iOS, web browsers (Chrome, Safari, Firefox, Edge), and Raspberry Pi devices. Cheetah supports multiple languages, including English, French, German, Italian, Portuguese, and Spanish, with additional languages available for commercial customers. It provides SDKs for various programming languages and environments, enabling developers to integrate real-time speech-to-text capabilities into their applications.

Best used for

Ideal for developers and engineers who need to embed real-time speech-to-text directly into their applications, ensure user privacy with on-device processing, and support multiple operating systems. Especially valuable for building voice interfaces or transcription features where low latency and offline capability are critical.

Common actions

transcribe speech

process audio

integrate speech-to-text

develop voice applications

github copilotface swapping"AI Agents"low-code/no-codedeepfakecollaborationworkflowsopen-sourceautomated workflow

Capabilities

Key features

On-device processing
Streaming speech-to-text
Accurate transcription
Cross-platform compatibility
Multi-language support
Compact and efficient

Target Audience

developersmobile app developersweb developersiot developers

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What is an AccessKey and why is it required for Cheetah?

An AccessKey is an authentication token for deploying Picovoice SDKs, including Cheetah. While voice recognition runs 100% offline, an internet connection is needed to validate the AccessKey with Picovoice license servers. It also verifies usage within account limits.

Which programming languages and environments does Cheetah support?

Cheetah provides SDKs and demos for a wide range of platforms and languages, including Python, C, iOS, Android, Flutter, React Native, Java, Node.js, .NET, and Web (Vanilla JavaScript/HTML and React).

Can I use Cheetah for languages other than English, French, German, Italian, Portuguese, and Spanish?

Cheetah currently supports these six languages out-of-the-box. Support for additional languages is available for commercial customers on a case-by-case basis, indicating custom solutions can be arranged.

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Coding & Development › Open Source & Models AI Agents & Automation › Voice Agents

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