Speechmatics
Speech recognition API for voice-driven applications and AI assistants
- Also known as
- speechmatics
Available worldwide · Popular in: GB, US, EU
What is Speechmatics?
A speech-to-text service that converts audio to transcripts, supporting real-time and batch processing with high accuracy, speaker identification, and support for 55+ languages.
Speechmatics pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
From $0.12/hr for speech-to-text. Free tier with $100 credits.
Melia 1 (General purpose)
Multilingual model that transcribes 56 languages and switches language mid-sentence
- 55+ languages
- Code-switching
- Language hints
- Language labeling
- Custom dictionary
- Smart formatting
- Word-level timings
Enhanced
Highest accuracy model for single-language transcription with advanced punctuation and custom dictionary support
- Single-language maximum accuracy
- Custom dictionary
- Advanced punctuation
Medical (Oak 1)
Domain-specific model designed for clinical language with healthcare vocabulary and multilingual support
- Clinical conversations and dictation
- Healthcare vocabulary
- 55+ languages
Standard
Cost-efficient model with same features as Enhanced at lower rate
- High volume and cost-sensitive workloads
Linden 1 (Voice agents)
Contact salesSpeech-to-text model purpose-built for voice agents with built-in turn detection
Text to Speech
Natural, low-latency speech synthesis for voice AI use cases
- First 1 million characters free
Add-ons
- PII redaction
- Translation$0.49 per hour
- Chapters$0.30 per hour
- Topics$0.15 per hour
- Summaries$0.09 per hour
- Sentiment
- Audio alignment
What Speechmatics does
The capabilities that matter for speech to text, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Real time streaming
- ✓
- Speaker diarization
- ✓
- Custom vocabulary
- ✓
- Fine tuning
- ✓
- Word timestamps
- ✓
- Punctuation formatting
- ✓
- Pii redaction
- ✓
- Vertical model
- ✓
- Offline on device
- ✓
- Open source
- -
Platform & deployment
Independently observed- CLI
- Web
- Cloud / SaaS
- Hybrid
- On-premise
- Self-hosted
Integrations (13)
Independently observed- Stenograph•
- Microsoft Azure⇄•
- Vonage⇄•
- Stenograph CATalyst VP
- Adobe Premiere
- Zapier
- Twilio
- Python SDK
- JavaScript SDK
- .NET SDK
- Adobe•
- LiveKit⇄•
- Veritone•
Security & compliance
Independently observed- SOC 2 Type II · Type IIactive
- ISO/IEC 27001:2022active
Speechmatics FAQ
Common questions about Speechmatics, answered from independent, dated evidence.
What is Speechmatics?
Speechmatics provides speech recognition that converts audio to text with real-time and batch processing. It supports 55+ languages, identifies multiple speakers, can run on-device or in the cloud, and does not log transcription data by default. It is indexed under Speech To Text.
Source: https://www.speechmatics.com/
Is Speechmatics free?
Speechmatics offers a free tier, so you can start without paying. Paid plans start at $0.24. Pricing changes often, so verify at source before relying on it.
What platforms does Speechmatics support?
Speechmatics supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://www.speechmatics.com/
Can Speechmatics be self-hosted?
Yes. Speechmatics can be deployed cloud / SaaS and on-premise, so it does not have to run on the vendor's infrastructure.
Source: https://www.speechmatics.com/
What does Speechmatics integrate with?
We have confirmed 7 integrations for Speechmatics, including Stenograph CATalyst VP, Adobe Premiere, Zapier, Twilio, Python SDK, JavaScript SDK and .NET SDK. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://www.speechmatics.com/
What security certifications does Speechmatics have?
We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Speechmatics. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Speechmatics not holding them. Always confirm compliance directly before you rely on it.
Where is Speechmatics available?
Speechmatics is available worldwide. Its primary market is the United States.
Source: https://www.speechmatics.com/
Speechmatics alternatives
Other speech to text we track, ranked by the same independent score.
- AssemblyAIAPI platform for converting audio to text and building voice-powered applicationsmedium · 73%
- Deepgrammedium · 55%
- whisper.cppRun speech transcription offline on any hardwarelow · 34%
- faster-whisperA faster, open-source implementation of speech-to-text transcriptionlow · 33%
- Amazon TranscribeConvert spoken audio and video into text using cloud-based automatic speech recognitionlow · 45%
- VoskOpen-source offline speech recognition toolkit for mobile devices and serverslow · 39%
Compare Speechmatics
Side by side against other speech to text, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Speechmatics, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Security posture | 85 | 0.12 | 10.4 | ✓ |
| Pricing transparency | 100 | 0.05 | 5.4 | ✓ |
| Capabilities | 96 | 0.04 | 3.6 | ✓ |
| Price level | 80 | 0.04 | 3.3 | ✓ |
| Integrations | 20 | 0.04 | 0.9 | ✓ |
| Reliability | 0 | 0.07 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 7 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Fine tuning, Pii redaction, Vertical model, Word timestamps, Custom vocabulary, Offline on device, Real time streaming, Speaker diarization, Punctuation formatting | mediumsource · 2026-10-12 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 4 | mediumsource · 2026-10-12 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: GB · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-10-12 · 75% |
Pricing
Security
| Attribute | Value | Evidence |
|---|---|---|
| Soc2 | Yes | highsource · 2026-10-12 · 75% |
| Disclosure policy | Yes | mediumsource · 2026-08-25 · 60% |
| Hipaa | Yes | highsource · 2026-10-12 · 75% |
| Iso27001 | Yes | highsource · 2026-10-12 · 75% |
| Gdpr | Yes | highsource · 2026-10-12 · 75% |
| Trust center | https://www.speechmatics.com/company/articles-and-news/compliance-breaches-share-price | mediumsource · 2026-10-12 · 60% |
| Certifications | SOC 2 Type II, ISO/IEC 27001:2022 | mediumsource · 2026-10-12 · 60% |
Is Speechmatics the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Speechmatics against the rest of the speech to text we index, using the same dated evidence weighted your way.
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