Production TestedSpeech-to-Text

Deepgram Nova-3

Best-in-class Arabic STT with ultra-low latency. Production-tested winner.

Recommended

The clear winner for Arabic STT. Deepgram Nova-3 delivers excellent quality at 424ms average EOU delay — fast enough for real-time voice agents.

Deepgram Nova-3 delivers the best combination of speed and accuracy for Arabic speech recognition. In production testing with Gulf Arabic callers, it achieved an average EOU delay of just 424ms — 75% faster than Soniox and 4x faster than Google Chirp 3 — while maintaining excellent transcription quality with no user repetitions needed.

Benchmarks

Latency

Avg EOU Delay424ms
Best Case0ms
Worst Case815ms
Full Turn Time787ms–3821ms

Quality

RatingExcellent
Arabic Dialect Support
Gulf ArabicMSASaudi Arabic

Accurately captures Gulf Arabic phrases. No user repetitions needed in production calls.

Features

Real-time streaming transcription
Automatic language detection
Endpointing / end-of-utterance detection
Punctuation and formatting
Word-level timestamps
Custom vocabulary
Multichannel support
StreamingLiveKit Plugin

PricingFree Tier Available

PlanPriceUnit
Pay As You Go$0.0043per minute
Growth$0.0036per minute

Integration

SDKs
PythonNode.jsGo.NETRust
API Style

WebSocket streaming + REST

Documentation

Verdict

The clear winner for Arabic STT. Deepgram Nova-3 delivers excellent quality at 424ms average EOU delay — fast enough for real-time voice agents.

Best For
Production Arabic voice agentsLow-latency real-time transcriptionGulf Arabic dialects

Pros

  • Best latency-to-quality ratio for Arabic
  • 75% faster than nearest competitor (Soniox)
  • LiveKit plugin available
  • Generous free tier ($200 credit)
  • Excellent Gulf Arabic accuracy

Cons

  • Cloud-only (no self-hosting)
  • Pricing can scale with high volume
Visit Deepgram Nova-3

Go to https://deepgram.com

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