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Speechmatics

Free · Free trial · From $0.24/mo

Speechmatics offers AI technology to convert spoken words into written text (Speech-to-Text) and written text into natural-sounding speech (Text-to-Speech). It's built for companies needing accurate, secure, and global voice solutions across over 55 languages, perfect for things like live captions or voice assistants.

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OverviewFeaturesUse CasesFAQIntegrationsPricing

About Speechmatics

Who It's For

This tool is for global companies needing reliable voice technology, especially in healthcare, media, and customer service. If your products need accurate speech recognition or natural text-to-speech across many languages, Speechmatics is designed for you.

What You Get

You get powerful tools to turn speech into accurate text, in real-time, and in over 55 languages. You can also convert text into natural speech. The system identifies speakers, summarizes talks, and understands emotions. It's built with strong security and privacy, meeting top global standards like HIPAA.

How It Works

Speechmatics works through simple software connections (APIs) developers add to their apps. You can run it in the cloud, on your own servers, or on devices, fitting your privacy and speed needs. It's built to be very fast and handle many requests at once.

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Speechmatics

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Features & Capabilities

⚙️ Core Speech AI Technology

Speech-to-Text (STT) API

Provides high-accuracy, low-latency transcription for multilingual, multi-speaker conversations.

Text-to-Speech (TTS) API

Converts text into natural and low-latency synthetic speech for various applications.

Real-time Transcription

Delivers speech-to-text results in less than 1 second, ensuring high accuracy without delay.

Multilingual Support

Offers comprehensive language coverage with support for over 55 languages, enabling global reach.

🔒 Security & Deployment Flexibility

Flexible Deployment Options

Supports on-device, on-premise, and cloud deployments to meet diverse privacy and infrastructure needs.

Data Privacy (No Data Logging)

Adheres to a strict no-data-logging policy as a standard, ensuring user data privacy.

ISO 27001 Certification

Complies with ISO/IEC 27001:2022 standards, demonstrating robust information security management.

Regulatory Compliance

Ensures compliance with critical privacy directives like GDPR, HIPAA, and SOC 2 Type II.

🎯 Specialized AI Applications

Medical Model Transcription

Provides specialized AI for healthcare, significantly reducing errors on medical terms for ambient scribe and dictation.

AI Voice Agent Building

Enables development of intelligent voice agents with sub-second, speaker-aware STT and TTS across many languages.

Live Media Captioning

Delivers accurate, real-time captions for live events, sports, and news broadcasts at scale.

Contact Center Analytics

Enhances contact center operations by improving agent productivity and customer experience through voice AI.

Use Cases

Automating Medical Documentation and Scribing

Healthcare professionals face significant administrative burdens with manual documentation and transcription. Speechmatics' highly accurate medical model enables ambient scribe and dictation, reducing errors on key medical terms by up to 50% and improving overall efficiency. Its HIPAA and GDPR compliance ensures sensitive patient data is handled securely.

HealthcareFor: Doctors, Clinicians, Medical Scribes, Healthcare Providers

Real-time Live Captioning and Media Monitoring

Media and broadcast companies require accurate, low-latency captions for live events, news, and sports to meet accessibility standards and engage global audiences. Speechmatics delivers real-time speech-to-text across 55+ languages, providing reliable captions at scale and powering advanced media monitoring platforms for content analysis.

Media & BroadcastFor: Broadcasters, Media Production Teams, Accessibility Coordinators, Content Analysts

Enhancing Contact Center Operations with Voice AI Analytics

Contact centers aim to improve agent productivity, reduce wait times, and gain deeper insights from customer interactions. Speechmatics offers accurate, speaker-diarized transcription of calls, enabling comprehensive speech analytics for sentiment, topic detection, and summarization, ultimately leading to better customer experiences and operational efficiency.

Customer Service, Contact CentersFor: Contact Center Managers, Quality Assurance Teams, Customer Service Agents, Business Intelligence Analysts

Developing High-Performance AI Voice Agents

AI developers and product teams need robust, scalable speech technology to build intelligent conversational AI agents that understand and respond naturally. Speechmatics provides sub-second, speaker-aware speech-to-text and low-latency text-to-speech across 55+ languages, with flexible APIs and native integrations to create advanced voice-command workflows and assistants.

AI Infrastructure, Software DevelopmentFor: AI Developers, Product Managers (AI/Voice), Conversational AI Engineers

Frequently asked questions

Speechmatics is a speech intelligence company that provides advanced Automatic Speech Recognition (ASR), Speech-to-Text (STT), Text-to-Speech (TTS), and voice AI infrastructure. Their technology enables organizations to transcribe, translate, summarize, and analyze voice data with high accuracy across multiple languages and accents.

The main products and features include Speech-to-Text (STT) for real-time and batch transcription in over 55 languages with industry-leading accuracy, Text-to-Speech (TTS) for natural human-like synthetic voices for voice assistants, chatbots, and IVR systems, and the Speech Intelligence Suite which offers summarization, sentiment analysis, topic detection, and translation. Additionally, it provides Speaker Diarization for real-time and batch speaker separation and labeling for up to 100 speakers, Custom Dictionaries to add brand or technical terminology for improved accuracy, and support for Multilingual and Code-Switched Speech. Flexible deployment options like Cloud API, on-premises, on-device, and edge/hybrid are also available.

Speechmatics is widely used in Healthcare for medical transcription and clinical documentation, Media & Broadcast for live captioning and content analysis, Contact Centers for call transcription and analytics, Education for lecture transcription and accessibility, Finance for meeting transcription and compliance, and AI Infrastructure for voice agents and conversational AI.

Speechmatics is known for its high accuracy, especially in challenging environments and with diverse accents. Their medical model achieves 93% accuracy in clinical transcription, with 50% fewer errors on medical terms compared to competitors.

Speechmatics supports over 55 languages, including major global languages and regional dialects. The platform is designed to handle multilingual and code-switched speech.

Yes, Speechmatics offers advanced speaker diarization, which can identify and label up to 100 speakers in a conversation. This is useful for meetings, interviews, and call centers.

Deployment options include Cloud API for fast, scalable, and globally available use, On-Premises for secure or air-gapped environments, On-Device for edge or offline use, and Hybrid which combines cloud and on-premises for low-latency or privacy-critical applications.

Speechmatics provides REST and WebSocket APIs, SDKs for Python and Node.js, and native integrations with platforms like LiveKit, Pipecat, Vapi, and NVIDIA Holoscan. Developers can get started quickly with a free account and detailed documentation.

Yes, Speechmatics offers real-time transcription with low latency (less than one second delay), making it ideal for live events, voice agents, and interactive applications.

Speechmatics is compliant with GDPR, SOC 2 Type II, HIPAA, and ISO/IEC 27001:2022, ensuring data privacy and security for sensitive applications.

Yes, developers can get started with a free account and explore the platform’s features. Paid plans are available for businesses with higher volume needs.

New features available in 2025 include voice-command workflows and conversational AI assistants, enhanced real-time transcription and speaker identification, improved accuracy for medical and technical domains, and expanded language support and voice options.

Speechmatics can process very long audio streams, including those lasting over a month, making it suitable for extended recordings and archival purposes.

Yes, Speechmatics supports custom dictionaries, advanced punctuation, numeral formatting, profanity and disfluency detection, and SRT output for subtitles.

More information and support can be found on the official website speechmatics.com, in the documentation at docs.speechmatics.com, and on LinkedIn at linkedin.com/company/speechmatics.

Tags

text-to-audioaudio transcriptionspeech-to-textreal-time transcriptionmultilingual transcription

Specifications

Deployment
API
Browser
Self-hosted
Cloud
Target Audience
Individual
Startup
Business
Enterprise
Complexity
Developer

Pricing

Free

Per monthly

Free
  • 480 minutes free Speech-to-Text per month
  • 1 million characters (~20hrs) free Text-to-Speech per month
  • Speech-to-Text: 55+ languages
  • Speech-to-Text: Standard and Enhanced accuracy
  • Speech-to-Text: Industry-leading accent coverage
  • Speech-to-Text: Real-time latency <1s
  • Speech-to-Text: Language identification
  • Speech-to-Text: Speaker diarization
  • Speech-to-Text: Custom dictionary
  • Speech-to-Text: Precise timestamps
  • Speech-to-Text: Advanced punctuation and casing
  • Speech-to-Text: Numeral formatting
  • Speech-to-Text: Profanity and disfluency detection
  • Speech-to-Text: Multi-channel support
  • Speech-to-Text: Subtitle formatting options
  • Speech-to-Text: Audio events
  • Text-to-Speech: Low-latency (ideal for voice agents)
  • Text-to-Speech: English (more languages coming soon)
  • SaaS deployment
  • Real-time session concurrency: 2 sessions
  • Batch job creation: 1 job per second
  • Voice Agent conversation concurrency: 3 conversations

Pro

Per monthly

$0.24
  • 480 minutes free Speech-to-Text per month
  • 1 million characters (~20hrs) free Text-to-Speech per month
  • Speech-to-Text: 55+ languages
  • Speech-to-Text: Standard and Enhanced accuracy
  • Speech-to-Text: Industry-leading accent coverage
  • Speech-to-Text: Real-time latency <1s
  • Speech-to-Text: Language identification
  • Speech-to-Text: Speaker diarization
  • Speech-to-Text: Custom dictionary
  • Speech-to-Text: Precise timestamps
  • Speech-to-Text: Advanced punctuation and casing
  • Speech-to-Text: Numeral formatting
  • Speech-to-Text: Profanity and disfluency detection
  • Speech-to-Text: Multi-channel support
  • Speech-to-Text: Subtitle formatting options
  • Speech-to-Text: Audio events
  • Text-to-Speech: Low-latency (ideal for voice agents)
  • Text-to-Speech: English (more languages coming soon)
  • SaaS deployment
  • Real-time session concurrency: 50 sessions
  • Batch job creation: 10 jobs per second
  • Voice Agent conversation concurrency: 6 conversations
  • Online email support
  • 20% discount over 500 hr/month

Enterprise

Per Custom

Contact sales
  • Includes all features from other plans, including audio alignment
  • No rate limits
  • Privacy-first deployment options
  • Multi-region cloud options
  • Custom models
  • SaaS or On-premises deployment
  • Lowest-latency, highest privacy with STT & TTS in your environment
  • Highest concurrency
  • Custom voice development
  • Custom language development
  • Volume discounts available
  • Prioritized service and support
  • Early access to new features
  • Speech-to-Text bolt-ons: Translation, Summaries, Chapters, Sentiment, Topics, Early access to new capabilities
  • Speech-to-Text deployment options: Private Cloud, Container, Virtual Appliance, On-Device, GPU & CPU based models, Multi-region cloud US, EU or Australia
  • Text-to-Speech deployment options: Private Cloud, Container, Virtual Appliance, On-Device, GPU & CPU based models, Multi-region cloud US, EU or Australia
  • Customer community

✓ Free trial • ✓ Free plan • ✓ Plans from $0.24 / monthly • ✓ Enterprise options

Integrations

HubSpot
Zendesk
LiveKit
Vapi
Calendly
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