AssemblyAI
AI speech-to-text API
Free planpay-per-use
AssemblyAI Pricing — April 2026
Free
to start
✓
Free plan
pay-per-use
Billing model
Features
real time✓ Yes
api access✓ Yes
topic detection✓ Yes
sentiment analysis✓ Yes
speaker diarization✓ Yes
User Ratings
4.6
G2
Average
Quick Info
Websiteassemblyai.com
CategoryAI transcription