Head to head / AI Transcription

AssemblyAI vs Rev

The verdict
  • Both offer a free tier to start.
ComparedAssemblyAIRev
Accuracy (tested)96.9%Not tested
Starting price$0.15/hr$29.99/mo
Free tierYesYes
Visit AssemblyAIVisit Rev

Feature by feature

FeatureAssemblyAIRev
Languages99+English-focused
APIYesYes
Real-timeYesNo
Speaker labelsYesYes
Export formatsJSON, TXT, SRT, VTTTXT, DOCX, PDF, SRT, VTT
Human optionNoYes

AssemblyAI

Developers who want a speech-to-text API with built-in audio intelligence like summarization, sentiment, and LLM queries.

  • +Universal-2 model, strong English accuracy
  • +LeMUR runs LLMs over your transcripts
  • +Sentiment, topics, PII redaction built in
  • +Generous free credit to start

Rev

Teams that need human-grade accuracy for legal, media, or compliance-sensitive transcripts.

  • +99%+ accurate human transcription option
  • +Cheap automated tier also available
  • +Captions and subtitle services included
  • +API for automated speech-to-text

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