Deepgram

Recommended

Ultra-low latency speech-to-text API optimized for real-time applications

14 reviews

Free tierHas API

In a nutshell

Deepgram leads in real-time transcription performance. The sub-300ms latency is unmatched, making it essential for live applications. The free tier is generous enough for development and testing.

What's great

Best-in-class latency
Strong noise handling
Generous free tier

Watch out for

API-only interface
Accuracy slightly below AssemblyAI
Domain customization requires effort

Best for

Developers building real-time voice applications that need ultra-low latency transcription

Not ideal for

Users needing a simple batch transcription service with a GUI

Pricing

Starter

$0.0043/min

View official pricing →

How it compares

Dify

4.9

Open-source platform for building and deploying LLM applications

AssemblyAI

4.9

Speech-to-text API with best-in-class accuracy and audio intelligence

Clerk

4.9

Drop-in authentication with pre-built UI components for React and Next.js

See full comparison →

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