Microsoft Azure Speech vs Soniox pricing
STT: Microsoft Azure Speech from $0.003 vs Soniox from $0.0017.
Last updated · prices checked daily
Speech-to-text: Microsoft Azure Speech vs Soniox
Soniox has the lower listed STT price: $0.0017 per minute (Async (file), token-based) vs $0.003 for Microsoft Azure Speech (Standard batch transcription), about 44% 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 |
| Microsoft Azure Speech Visit site ↗ | Standard batch transcription | $0.003 |
| Microsoft Azure Speech Visit site ↗ | Standard real-time transcription | $0.0167 |
What it costs at volume (lowest listed rate)
| Minutes | Microsoft Azure Speech | Soniox |
|---|---|---|
| 1,000 min | $3.00 | $1.67 |
| 10,000 min | $30.00 | $16.67 |
| 100,000 min | $300.00 | $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 Microsoft Azure Speech or Soniox cheaper for speech-to-text?
Soniox has the lower listed STT price: $0.0017 per minute (Async (file), token-based) vs $0.003 for Microsoft Azure Speech (Standard batch transcription), about 44% 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.