Deepgram

Verified

Speech AI APIs for transcription, realtime audio, text-to-speech, and voice agents.

4.3
FreemiumVideo & Audio

Pricing

Freemium

Company

Deepgram

Founded

2015

Free credits are available; speech-to-text, text-to-speech, and audio intelligence are billed by usage and model.

Who It's For
Developers building voice appsCall center operatorsMedia companiesAccessibility teams
Details
CompanyDeepgram
Founded2015
WebsiteVisit

About Deepgram

Deepgram provides developer APIs for speech-to-text, text-to-speech, realtime transcription, audio intelligence, and voice-agent infrastructure. It is a strong fit for teams building production voice products.

Key Features

  • Real-time speech-to-text
  • Sub-300ms transcription latency
  • Text-to-speech (Aura model)
  • Audio intelligence (summary, sentiment)
  • 36+ language support

Pros & Cons

Pros

+ Fastest transcription API

+ Excellent accuracy

+ Generous free credits

Cons

- API-only — no consumer product

- Fewer languages than Google

- Pricing adds up at scale

Use Cases

Real-time transcriptionCall center analyticsVoice-enabled applicationsMeeting transcription

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