Speechmatics | AI Voice Agents
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📝 Overview
- Automate customer conversations instantly with sub-second speech-to-text that understands 55+ languages for global scalability
- Reduce errors in critical data entry using custom dictionaries that precisely capture names, numbers, and industry-specific terminology
- Deploy securely anywhere with flexible infrastructure options including cloud, on-premise, or on-device for full data control
- Handle complex multi-speaker interactions through advanced diarization that tracks who said what and when
- Connect seamlessly to your existing AI stack with native integrations for LiveKit, Vapi, LLMs, and chatbot platforms
⚖️ Pros & Cons
Pros
- High real-time transcription accuracy
- Sub-second response time
- Supports 55 languages with accent coverage
- Advanced speaker diarization
- Custom dictionary for domain-specific terms
- Flexible deployment: cloud, on-prem, or on-device
- Integrates with LiveKit, Pipecat, Vapi, and LLMs
- Simple APIs and SDKs for devs
- Scales easily for enterprise workloads
- Robust noise and overlap handling
- Optimized for healthcare, contact centers, and finance
- ISO/IEC 27001 certified security
- Enterprise-grade encryption and compliance
Cons
- Primarily focused on speech-to-text, not full conversational AI
- May require developer integration for advanced use cases
- Performance depends on audio quality in extreme conditions
- Some features still maturing (e.g., upcoming pipeline updates)
- Enterprise-level features may be cost-prohibitive for small teams
- Relies on internet connectivity for cloud deployments
❓ Frequently Asked Questions
It is a speech-to-text powered platform designed to build AI voice agents with sub-second accuracy across 55+ languages, enabling real-time, speaker-aware conversations.
Speechmatics achieves under one-second latency with up to 90% accuracy, even in noisy environments or overlapping speech.
Yes, advanced speaker diarization allows the system to track who said what and when, enabling speaker-specific actions.
Yes, Speechmatics offers a custom dictionary feature to lock in details like alphanumerics, names, and industry-specific terminology.
You can run Speechmatics in the cloud, on-premises, or even on-device, giving full flexibility depending on your infrastructure.
It integrates with LiveKit, Pipecat, Vapi, LangGraph agents, and MCP servers, and can be connected to LLMs or chatbots for conversational experiences.
Healthcare (EHR updates), contact centers, finance & insurance, and restaurants (drive-thru automation) are among the top sectors using it.
Yes, Speechmatics is ISO/IEC 27001 certified and uses enterprise-grade security with compliance-ready deployments.
Healthcare (EHR updates), contact centers, finance & insurance, and restaurants (drive-thru automation) are among the top sectors using it.
Yes, Speechmatics is ISO/IEC 27001 certified and uses enterprise-grade security with compliance-ready deployments.
💰 Pricing
Pricing model
Freemium
Paid options from
$0.24/unit
Billing frequency
Pay-as-you-go
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