Speechmatics

B tier on Speech-to-Text SoftwareScore 7.2 · #3 of 32

Android app: Not listed
Free plan: Yes
Runs on: api, Linux, Mac, self-hosted, Web, Windows

speechmatics.com

Summary

Speechmatics provides speech APIs for speech-to-text, voice agents, and text-to-speech, working with recorded files or live audio. Speech-to-text supports more than 55 languages, including mid-sentence language switching. The company says real-time transcription can return results in less than one second. Speaker diarization and custom vocabulary help identify speakers and capture specialized terms. Listed use cases include healthcare, voice agents, live captioning, contact center analytics, legal transcription, and meeting platforms. Deployment options include SaaS, multi-region cloud, on-premises containers and virtual appliances, on-device, and hybrid cloud with on-premises; availability varies by plan. Speechmatics is available via API and on Linux, macOS, Windows, web, and self-hosted platforms. The free plan includes $100 in credits, requires no credit card, and allows two concurrent real-time sessions. Usage-based offerings include text-to-speech at $0.01 per once and transcription options priced per hour. Speechmatics states it is ISO/IEC 27001:2022 accredited, GDPR and HIPAA compliant, and SOC 2 Type II certified. It says data is encrypted at rest with AES 256 and in transit using TLS 1.2 or higher.

Who it is for

Speechmatics suits developers and organisations building transcription, voice-agent, or speech-synthesis workflows. Its listed use cases span healthcare, legal transcription, contact centers, live captions, and meetings.

What is good

Speech-to-text supports more than 55 languages.
Real-time transcription is stated to return in under one second.
Free plan includes $100 in credits.
Multiple deployment options are listed.

What to know first

Free accounts allow two concurrent real-time sessions.
Deployment availability varies by plan.
Free trial is not offered.

Verdict

Speechmatics provides speech APIs across transcription, voice agents, and text-to-speech, with a free credit allocation and multiple deployment models. Check session limits and plan-specific deployment availability before choosing an option.

Speechmatics plans and pricing

All plans

Free Free $100 in credits; no credit card required 2 concurrent real-time sessions · 10 pre-recorded files per second · community, portal chat and email support speechmatics.com · 3 Oct 2026

Text to Speech $0.01 once Usage-based; first 1 million characters free Natural, low-latency speech synthesis for voice AI use cases speechmatics.com · 3 Oct 2026

Melia 1 $0.12 once Usage-based, per hour of pre-recorded transcription 56 languages · mixed-language transcription · code-switching · speaker diarization speechmatics.com · 3 Oct 2026

Oak 1 Medical $0.15 once Usage-based, per hour of pre-recorded transcription Clinical language · drug names, dosages, abbreviations and procedure terms · multilingual support speechmatics.com · 3 Oct 2026

Standard $0.23 once Usage-based, per hour of pre-recorded transcription Same features as Enhanced at a lower rate · lower accuracy · for high-volume, cost-sensitive workloads speechmatics.com · 3 Oct 2026

Enhanced $0.38 once Usage-based, per hour of pre-recorded transcription Highest accuracy · choose a language per transcription · custom dictionary · advanced punctuation speechmatics.com · 3 Oct 2026

Compared on speech-to-text software

Free plan: Yesspeechmatics.com
Speaker identification: Yesspeechmatics.com
API access: Yesspeechmatics.com

Facts

What it does: Speechmatics provides speech APIs for speech-to-text, voice agents and text-to-speech, processing recorded files or live audio.speechmatics.com · 3 Oct 2026
Languages: Its speech-to-text supports more than 55 languages, including conversations where speakers switch languages mid-sentence.speechmatics.com · 3 Oct 2026
Live transcription: The company says its real-time speech-to-text can return results in less than one second.speechmatics.com · 3 Oct 2026
Conversation features: Speaker diarization and custom vocabulary are included to identify speakers and capture specialized terminology.speechmatics.com · 3 Oct 2026
Use cases: Speechmatics lists healthcare, voice agents, live captioning, contact center analytics, legal transcription and meeting platforms as use cases.speechmatics.com · 3 Oct 2026
Integrations: The maker lists integrations with LiveKit, Vapi and Pipecat for voice agents, and names Vonage and Jambonz for telephony and contact centers.speechmatics.com · 3 Oct 2026
Security: Speechmatics states it is ISO/IEC 27001:2022 accredited, GDPR compliant, HIPAA compliant and SOC 2 Type II certified.speechmatics.com · 3 Oct 2026
Data protection: The security page says data is encrypted at rest with AES 256 and in transit using TLS 1.2 or higher.speechmatics.com · 3 Oct 2026
Deployment: The pricing page lists SaaS, multi-region cloud, on-premises containers and virtual appliances, on-device, and hybrid cloud plus on-premises deployment options, with availability varying by plan.speechmatics.com · 3 Oct 2026
Data logging: The pricing page states that model-training data logging is off by default for both self-serve and enterprise customers.speechmatics.com · 3 Oct 2026
Support: Self-serve support includes community, portal chat and email; enterprise support includes a dedicated customer success manager and solutions engineer.speechmatics.com · 3 Oct 2026
Limits: Self-serve accounts have up to 50 concurrent real-time sessions, except Free accounts, which have 2; enterprise concurrency dynamically adjusts to demand.speechmatics.com · 3 Oct 2026
Company: Speechmatics identifies itself as a private B2B SaaS voice AI provider founded in 2006 and headquartered in Cambridge, United Kingdom.speechmatics.com · 3 Oct 2026