What does Speechmatics do?

Speechmatics 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.

Speech APIs powering Voice AI

Low-latency speech-to-text for multilingual, multi-speaker conversations

Explore Samples

Transcribe your voice in real time or select a sample

Ready for the full experience?

Case study

AI Media | Case study

Delivering 120X more with voice AI

Powering live content through AI-powered transcription, built on industry-leading voice AI

Case study

LiveKit | Case study

Enabling 100,000+ developers with leading speech recognition

Pairing LiveKit’s flexible agent framework with Speechmatics to build world-class agents

Case study

NCI | Case study

Redefining real-time captioning

How NCI delivered a 99% increase in usage of automated captioning

Case study

Media Track | Case study

Delivering a 20% leap in accuracy improvements

Improved transcription performance across more than 20 languages for their global clients

Case study

Prosodica | Case study

Driving better conversations at scale

Leveraging speech recognition to track customer interactions, highlight key insights, and raise contact center performance

Accurate. Secure. Global.

Speech technology built for companies with global reach and uncompromising standards for quality.

Live transcription

For use cases that can't wait

Real-time speech-to-text is here

High accuracy and low latency. STT in less than 1 second, without compromising accuracy and understanding.

Secure

STT you can trust

Deploy anywhere, no data logging

Run Speechmatics on device, on prem and in the cloud depending on your privacy needs. We don’t log your data as standard.

Languages

Find new markets

55+ languages

We cover over half the world's population with our language coverage, helping businesses expand globally.

Use Cases

Voice AI that works where it matters most

From healthcare to live media, Speechmatics delivers real-world Speech APIs with low latency, multilingual capabilities, and built for scale.

MedTech

Medical & healthcare

Support ambient scribe and dictation with our Medical Model, cutting errors on key terms by up to 50%.

AI voice agents

Voice agent builders

Sub-second, speaker-aware STT and TTS across 55+ languages. Plug in fast with a flexible API and native integrations to power AI voice agents.

Media & Broadcast

Live captioning

Deliver accurate captions for live events, sports, and news — real time, at scale, and with accuracy that holds up in the spotlight.

CCaaS

Contact center analytics

Reduce wait times, increase agent productivity and improve customer experience in contact centers with Speechmatics' voice AI.

Uncompromised, enterprise-level security

Industry-leading security tools and controls, built for privacy-critical use cases.

ISO 27001

Privacy and compliance built in with our ISO/IEC 27001:2022 accreditation.

GDPR

Compliant with privacy and compliance directives such as the GDPR.

HIPAA

Fully compliant with the Health Insurance Portability and Accountability Act (HIPAA).

SOC 2 Type II

Trusted where privacy matters most - SOC 2 Type II-certified.

Resources

Use Cases

Best TTS APIs in 2026: Top 12 Text-to-Speech services for developers

From ultra-fast conversational AI to studio-quality narration, find the voice that matches your use case and budget.

Tom YoungDigital Specialist

Company

Vapi and Speechmatics: Build agents that understand every voice

Ship Voice AI agents that understand every voice in real-time, even in noisy, multi-speaker scenarios.

SpeechmaticsEditorial Team

Product

Speechmatics launches new Swedish medical model, cutting transcription errors by 40%

Expanding a Nordic medical lineup with 3.91% KWER model that delivers sub-second latency across Swedish, Finnish, Danish, and Norwegian clinical workflows.

Yahia AbazaSenior Product Manger

General

Voice AI in 2026: 9 numbers that signal what's next

The numbers from 2025 show voice AI has moved from demos to dependable infrastructure, where ROI, trust, and real-time performance decide who wins in 2026.

Maria AnastasiouEvents & Customer Marketing Lead

Technical

You can’t hurry love, but you can hurry final transcripts

Introducing 250ms final transcripts for Voice AI

Archie McMullanSpeechmatics Graduate

Product

Speechmatics and Sully.ai partner to scale healthcare AI infrastructure globally

Built on NVIDIA AI infrastructure, the collaboration combines medical-grade speech models and agent workflows to deliver measurable ROI; cutting admin time and scaling healthcare capacity worldwide.

SpeechmaticsEditorial Team

Power your products with enterprise-grade Voice AI

We handle the speech, you deliver conversations that matter.