Deepgram

Speech API for pre-recorded and streaming speech-to-text, text-to-speech and a voice agent API. SDKs for Python, JavaScript, Go, .NET and Java.

Deepgram at a glance

From official pages, checked Sep 29, 2026. Tap the arrow for each source.

Free tier: Trial credits
$200 in free credit on Pay As You Go, no credit card required.
Starting price: $0.0043 per minute
Nova-3 pre-recorded, monolingual, Pay As You Go.
Rate limit: 50 concurrent requests
Pay As You Go, speech-to-text REST API (150 for streaming WSS).
Size limit: 2 GB per file
Maximum file size for pre-recorded audio.
Official SDKs: PythonJavaScript / TypeScript
Trains on your data: Opt-out
Requests join the Model Improvement Program unless mip_opt_out=true is set.
EU hosting: Yes
EU endpoint api.eu.deepgram.com keeps processing in the EU.
Compliance: SOC 2GDPRHIPAA

Send an audio URL to Deepgram's pre-recorded API and get a smart-formatted Nova-3 transcript back from Python.