Rev AI vs Soniox pricing
STT: Rev AI from $0.0033 vs Soniox from $0.0017.
Last updated · prices checked daily
Speech-to-text: Rev AI vs Soniox
Soniox has the lower listed STT price: $0.0017 per minute (Async (file), token-based) vs $0.0033 for Rev AI (Reverb (English)), about 50% less.
| Vendor | Product / tier | $/min |
|---|---|---|
| Soniox Visit site ↗ | Async (file), token-based Token-billed; Soniox's own per-hour equivalent. | $0.0017 |
| Soniox Visit site ↗ | Real-time (streaming), token-based Token-billed; Soniox's own per-hour equivalent. | $0.002 |
| Rev AI Visit site ↗ | Reverb (English) | $0.0033 |
| Rev AI Visit site ↗ | Whisper Large | $0.005 |
What it costs at volume (lowest listed rate)
| Minutes | Rev AI | Soniox |
|---|---|---|
| 1,000 min | $3.33 | $1.67 |
| 10,000 min | $33.33 | $16.67 |
| 100,000 min | $333.30 | $166.70 |
Cost-per-call calculator
Estimate what one call really costs. Prices come from today's table; LLM and telephony presets are per-minute rates published by Retell and Vapi. Everything is editable.
Cartesia's pricing page puts one minute of speech at 750–800 characters; Rime says about 1,000. The talk share is your own guess at how much of each call the agent is speaking.
FAQ
Is Rev AI or Soniox cheaper for speech-to-text?
Soniox has the lower listed STT price: $0.0017 per minute (Async (file), token-based) vs $0.0033 for Rev AI (Reverb (English)), about 50% less. Prices checked Oct 28, 2026.
How often are these prices updated?
Every day. A script reads each vendor's public pricing page, extracts the listed rates and keeps a dated copy, so price changes show up in the history.