Deepgram
by Deepgram
AI speech-to-text and text-to-speech API
Pricing
Free tier; Pay-as-you-go from $0.0043/min
Difficulty
beginner
Time to Start
1 hour
Privacy
high
Free Tier
Free: $200 credit for new accounts; pay-per-use after
Limits: Free: $200 credits (generous for testing); pay-per-audio-hour after; volume discounts
When to upgrade: Credit exhaustion; Growth plan features; enterprise SLA; on-premise; custom models
Use Cases
Real-time speech-to-text; audio intelligence; sentiment analysis; topic detection; language detection
Technical Details
Type: api
Offline: No
API: Yes
Languages: 36+ languages for transcription
Integrations: Python/JS/Go/.NET SDKs, Twilio, Zoom, WebSocket streaming, REST API
Ideal For
Developers building voice appscall center platformsmeeting techtranscription services
Supported Content
Audio (speech)
Output Formats
JSON transcriptsWebVTTSRTstreaming responses