Head to head / AI Transcription

Gladia vs OpenAI Whisper API

The verdict
  • Both are close on the numbers we track; compare the details below.
ComparedGladiaOpenAI Whisper API
Starting price$0.61/hr
Free tier
Visit GladiaVisit OpenAI Whisper API

Feature by feature

FeatureGladiaOpenAI Whisper API
Languages100+90+
APIYes (core product)Yes
Real-timeYesNo
Speaker labelsYes (diarization)No
Export formatsJSON, SRT, VTTJSON, TXT, SRT, VTT
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

OpenAI Whisper API

Developers who want cheap, accurate multilingual batch transcription with a dead-simple API.

  • +Strong multilingual accuracy across 90+ languages
  • +Very low price per minute
  • +Built-in translation to English
  • +Newer gpt-4o-transcribe models available

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