Head to head / AI Transcription

Gladia vs Sonix

The verdict
  • Gladia is cheaper to start ($0.61/hr vs $10/hr).
ComparedGladiaSonix
Starting price$0.61/hr$10/hr
Free tier
Visit GladiaVisit Sonix

Feature by feature

FeatureGladiaSonix
Languages100+50+
APIYes (core product)Yes
Real-timeYesNo
Speaker labelsYes (diarization)Yes
Export formatsJSON, SRT, VTTTXT, SRT, VTT, DOCX, PDF
Human optionNoNo

Gladia

Developers who need cheap, high-volume speech-to-text with real-time streaming and diarization in a single API.

  • +Very low per-hour cost, especially at committed volume
  • +100+ languages with automatic language detection
  • +Async and real-time streaming in one API
  • +10 free hours every month

Sonix

Multilingual teams and researchers who need fast, self-serve automated transcription in many languages.

  • +50+ languages with solid accuracy
  • +In-browser editor with search and highlights
  • +Automated transcript translation
  • +Clean subtitle and export workflow

Compared on the metrics we track for this category. Prices are the cheapest paid tier. Some links are affiliate links.