What does Speechmatics do?

peechmatics provides speech technology and Voice AI for enterprises, offering accurate Speech-to-Text, Text-to-Speech, and Voice Agent solutions. Our models understand every voice and accent across 55+ languages, helping businesses unlock the full potential of voice data.

How accurate is Speechmatics Speech-to-Text?

Speechmatics delivers best-in-market accuracy, achieving up to 99% word accuracy and 96% medical keyword recall in industry benchmarks. Our models handle multiple accents, noisy environments, and multi speakers with ease.

What makes Speechmatics Text-to-Speech different?

Our low-latency Text-to-Speech (TTS) delivers lifelike, human-sounding voices with sub-150ms latency that is ideal for real-time conversations. Developers can stream natural speech in multiple voices and deploy it in the cloud, hybrid, or on-prem for privacy and control.

Can I build real-time voice agents with Speechmatics?

Our voice AI enables developers to build real-time voice agents that listen, understand, and respond naturally. Plug in fast with a flexible API and native integrations to power your AI voice agents.

Which industries use Speechmatics?

Speechmatics is trusted by organizations in media, healthcare, contact center, finance, education, and accessibility. Our technology powers transcription, translation, call analytics, and voice AI applications worldwide.

Offline speech-to-text that delivers unmatched accuracy

Keep audio private and work offline across 55+ languages, with Speechmatics on-device speech-to-text.

✅ 100% Private

✅ Ultra-Low Latency

✅ Pinpoint Accuracy (even in real-time)

Case study

Ubisoft | Case study

Ubisoft Worlds of Play, Stories Without Limits.

Ubisoft is a leading creator, publisher, and distributor of interactive entertainment, known for iconic franchises like Assassin’s Creed, Far Cry, and Just Dance.

Case study

AI Media | Case study

AI-Powered Captioning Technology & Solutions

AI-Media is proud to introduce LEXI Voice, a revolutionary AI-powered solution that delivers real-time voice translation.

Case study

Adobe | Case study

Adobe

American multinational computer software company based in San Jose, California. It offers a wide range of programs from web design tools, photo manipulation and vector creation, through to video/audio editing

Case study

NCI | Case study

World-Class Captioning Across All Screens

National Captioning Institute is a nonprofit corporation whose primary purposes are to deliver effective captioning services and encourage, develop and fund the continuing development of captioning

Case study

Ubisoft | Case study

Ubisoft Worlds of Play, Stories Without Limits.

Ubisoft is a leading creator, publisher, and distributor of interactive entertainment, known for iconic franchises like Assassin’s Creed, Far Cry, and Just Dance.

Case study

AI Media | Case study

AI-Powered Captioning Technology & Solutions

AI-Media is proud to introduce LEXI Voice, a revolutionary AI-powered solution that delivers real-time voice translation.

Case study

Adobe | Case study

Adobe

American multinational computer software company based in San Jose, California. It offers a wide range of programs from web design tools, photo manipulation and vector creation, through to video/audio editing

Case study

NCI | Case study

World-Class Captioning Across All Screens

National Captioning Institute is a nonprofit corporation whose primary purposes are to deliver effective captioning services and encourage, develop and fund the continuing development of captioning

Why Offline Speech-to-Text?

Bring speech to life with models that can run locally and privately

Privacy & Compliance

Zero data leaves the device
GDPR & HIPAA compliance
Sell into secure accounts

Latency & Reliability

No network dependency
Guaranteed response time
Offline-capable workflows

Cost advantages

Predictable TCO
No hosting costs
Ideal for power users

Full of features

55+ languages
Real-time & batch audio
Accurate speaker labels

Privacy & Compliance

Zero data leaves the device
GDPR & HIPAA compliance
Sell into secure accounts

Latency & Reliability

No network dependency
Guaranteed response time
Offline-capable workflows

Cost advantages

Predictable TCO
No hosting costs
Ideal for power users

Full of features

55+ languages
Real-time & batch audio
Accurate speaker labels

Ideal offline speech-to-text use cases

Enterprise-grade speech recognition on your users' devices

Excels in scenarios requiring privacy, offline capability, or handling sensitive data in regulated environments.

Video Editing & Captioning

Local video editing and captioning tools with end users requiring high-quality, real-time transcription.

Healthcare & Legal Scribes

Assistant-style tools in healthcare, legal, or other regulated domains where data cannot leave the device.

Regulated Industries

Applications in highly regulated sectors where cross-border data transfer is sensitive or prohibited.

Government & Law Enforcement

Transcription where on-device processing simplifies compliance and security requirements.

Control real-time applications

Deploy to devices, assistants, and enterprise systems without server costs or bottlenecks.

Why Choose Speechmatics Offline Speech-to-Text?

Not all on-device speech recognition is created equal - here's what sets Speechmatics apart...

Near-Cloud Accuracy

Built on the same tech as our cloud models, On-Device delivers industry-leading accuracy without compromise.

Full Speaker Diarization & Identification

Includes our speaker diarization and speaker identification, making it the strongest speech-to-text model available for local execution.

Enterprise-Proven Technology

Trusted by millions of creative professionals worldwide, we power mission-critical workflows at scale.

Positioned for the Local AI Shift

Local AI is becoming mainstream, our On-Device is architected to be a core part of this shift, not a stopgap solution.

The Speechmatics Difference

Speechmatics delivers the best accuracy, features, and enterprise reliability your business demands.

2026 Quality Step Change Substantial accuracy improvements makes this equal to our cloud solution.
Battle-Tested at Scale Proven in production with millions of professionals using our Offline Speech-to-Text.
Enterprise Support & SLAs Dedicated engineering support, not community forums.

Ready to deploy enterprise Offline STT?

Join leading ISVs building privacy-first, offline-capable applications with Speechmatics On-Device.

Offline speech-to-text FAQs

How much does it cost?

Each situation will be different, so please speak to our sales team - and benefit from volume based discounts.

What hardware and devices do you support?

Hardware	Availability
Laptop	Available now
CPU	Coming soon
Mobile	Coming soon
Other hardware	Get in touch to find out more

What are the resource requirements?

To run these models requires 1-2 CPU cores and ~800MB of system memory, contact us to learn more.