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

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.

Courtroom

Legal transcription

Speech recognition built for court reporters, legal professionals, and law firms who need unmatched accuracy across every accent and speaker — in real time.

Note-taking

Meeting platforms

Build a meeting platform that makes a real difference to your end users with automated note taking, a comprehensive feature set that covers 55+ languages.

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

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Use Cases

Best TTS APIs in 2026: ElevenLabs, Google, AWS & 9 More Compared for Developers

From ultra-fast conversational AI to studio-quality narration, compare 12 text-to-speech APIs — including ElevenLabs, Google Cloud, Amazon Polly and Speechmatics — to find the voice that matches your use case and budget.

Tom YoungDigital Specialist

Use Cases

What Word Error Rate Is Acceptable for Legal Transcription?

Word error rate for legal transcription has no single acceptable threshold. But knowing how accuracy, audio quality, and review obligations connect to real legal risk is what separates a reliable transcript from a costly one.

Mieke SmithSenior Writer

Use Cases

The court reporter shortage crisis: data, causes, and what legal teams are doing about it

The court reporter shortage is reshaping litigation. Explore data, causes, and how legal teams are using digital reporting and AI transcription to adapt.

Tom YoungDigital Specialist

[alt: Bilingual medical model featuring terms related to various health conditions and medications in Arabic and English. Key terms include "Chronic kidney disease," "Heart attack," "Diabetes," and "Insulin," among others, displayed in an organized layout.]

Product

Speechmatics achieves a world first in bilingual Voice AI with new Arabic–English model

Sets a new accuracy bar for real-world code-switching: 35% fewer errors than the closest competitor.

SpeechmaticsEditorial Team

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Product

Your voice agent speaks perfect Arabic. That's the problem.

Most voice AI models are trained on formal Arabic, but real conversations across the Middle East mix dialects and English in ways those systems aren’t built to handle.

Yahia AbazaSenior Product Manger

Technical

How Nvidia Dominates the HuggingFace Leaderboards in This Key Metric

A technical deep-dive into Token Duration Transducers (TDT) — the frame-skipping architecture behind Nvidia's Parakeet models. Covers inference mechanics, training with forward-backward algorithm, and how TDT achieves up to 2.82x faster decoding than standard RNN-T.

Oliver Parish Machine Learning Engineer

Power your products with enterprise-grade Voice AI

We handle the speech, you deliver conversations that matter.