Comparison

Deepgram vs Speechmatics

On the evidence we track, Speechmatics leads this comparison with a composite score of 81/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Deepgram68
Speechmatics81
Score
Vioscale score
Deepgram68 / 100low · 43%
Speechmatics81 / 100medium · 55%
Pricing
Free tier
Deepgram
Speechmatics
Model
Deepgramfreemium
Speechmaticsfreemium
Price level
Deepgramlow
Speechmaticslow
Starting price
Deepgram
Speechmatics$0.24
Transparent
Deepgram
Speechmatics
Integrations
Count
Deepgram7
Speechmatics7
Security
Disclosure policy
Deepgram
Speechmatics
Gdpr
Deepgram
Speechmatics
Hipaa
Deepgram
Speechmatics
Iso27001
Deepgram
Speechmatics
Pci
Deepgram
Speechmatics
Soc2
Deepgram
Speechmatics

Capabilities

Feature-by-feature on the axes that matter for speech to text. “-” means undocumented, not absent.

Capabilities
Real time streaming
Deepgram-
Speechmatics
Speaker diarization
Deepgram-
Speechmatics
Custom vocabulary
Deepgram-
Speechmatics
Fine tuning
Deepgram-
Speechmatics
Word timestamps
Deepgram-
Speechmatics
Punctuation formatting
Deepgram-
Speechmatics
Pii redaction
Deepgram-
Speechmatics-
Vertical model
Deepgram-
Speechmatics
Offline on device
Deepgram-
Speechmatics
Open source
Deepgram-
Speechmatics-

What each one is

The product in its own terms, so the numbers below have context.

Deepgram

A platform providing real-time speech-to-text, text-to-speech, and voice agent APIs with native support for understanding turn-taking, interruptions, and multi-speaker scenarios. Supports 45+ languages with features like speaker identification, smart formatting, and keyword recognition for enterprise and developer use cases.

Independently observed

Speechmatics

Leader

Speech recognition and synthesis platform offering real-time and batch transcription, audio analysis, and text-to-speech across 55+ languages. Supports flexible deployment with privacy-first design and compliance-ready infrastructure.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Deepgram

Usage-basedFree tier

From $0.0048/min for speech-to-text, $0.015/1k characters for text-to-speech. Free tier with $200 credit.

  • Pay As You GoFree
    • Speech-to-text (45+ languages)
    • Text-to-speech
    • Voice Agent API
    • Speaker diarization
    • Smart formatting
    • +4 more
  • EnterpriseContact sales
    • Custom trained models
    • On-premises or private cloud deployment
    • Dedicated support
    • HIPAA Business Associate Agreement
    • Data Processing Agreement
as of verify ↗

Speechmatics

Leader
from $0.24/hourUsage-basedFree tier

Usage-based from $0.24/hour; free tier with $100 credit; volume discounts available

  • FreeFree
    • Speech-to-Text (55+ languages)
    • Text-to-Speech (English)
    • Multi-region cloud options
    • 2 concurrent real-time sessions
  • ProUsage-based from $0.24/hour for Real-time Standard transcription
    • Speech-to-Text (55+ languages)
    • Text-to-Speech
    • Real-time sessions (up to 50 concurrent)
    • Speaker diarization
    • Custom vocabulary
    • +5 more
  • EnterpriseContact sales
    • Unlimited concurrent real-time sessions
    • No rate limits
    • Custom models and voices
    • Custom language development
    • SaaS or on-premises or on-device deployment
    • +3 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Deepgram
Speechmatics
CLI
Deepgram
Speechmatics
Deployment
Cloud / SaaS
Deepgram
Speechmatics
Self-hosted
Deepgram
Speechmatics
On-premise
Deepgram
Speechmatics
Hybrid
Deepgram
Speechmatics

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Zapier

Deepgram

7 total - 6 not shared
  • Genesys
  • Cisco
  • Avaya
  • Nuance
  • UniMRCP
  • Y Combinator
Independently observed

Speechmatics

Leader
7 total - 6 not shared
  • Stenograph CATalyst VP
  • Adobe Premiere
  • Twilio
  • Python SDK
  • JavaScript SDK
  • .NET SDK
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.