Microsoft Azure Speech vs Rime pricing
STT: Microsoft Azure Speech from $0.003 vs Rime from $0.002; TTS: Microsoft Azure Speech from $15.00 vs Rime from $30.00.
Last updated · prices checked daily
Speech-to-text: Microsoft Azure Speech vs Rime
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.003 for Microsoft Azure Speech (Standard batch transcription), about 33% less.
| Vendor | Product / tier | $/min |
|---|---|---|
| Rime Visit site ↗ | Rime STT Free until Nov 19, 2026 per page; this is the rate from Nov 20. | $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 | Rime |
|---|---|---|
| 1,000 min | $3.00 | $2.00 |
| 10,000 min | $30.00 | $20.00 |
| 100,000 min | $300.00 | $200.00 |
Text-to-speech: Microsoft Azure Speech vs Rime
Microsoft Azure Speech has the lower listed TTS price: $15.00 per 1M characters (Neural / Neural HD Flash) vs $30.00 for Rime (Mist v3), about 50% less.
| Vendor | Product / tier | $/1M chars |
|---|---|---|
| Microsoft Azure Speech Visit site ↗ | Neural / Neural HD Flash | $15.00 |
| Rime Visit site ↗ | Mist v3 Page: metered by characters, about 1,000 characters per minute, at $0.03 per 1K characters. | $30.00 |
| Rime Visit site ↗ | Coda v2 Page: metered by characters, about 1,000 characters per minute. | $50.00 |
What it costs at volume (lowest listed rate)
| Characters | Microsoft Azure Speech | Rime |
|---|---|---|
| 1M chars | $15.00 | $30.00 |
| 10M chars | $150.00 | $300.00 |
| 100M chars | $1,500.00 | $3,000.00 |
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 Rime cheaper for speech-to-text?
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.003 for Microsoft Azure Speech (Standard batch transcription), about 33% less. Prices checked Oct 28, 2026.
Is Microsoft Azure Speech or Rime cheaper for text-to-speech?
Microsoft Azure Speech has the lower listed TTS price: $15.00 per 1M characters (Neural / Neural HD Flash) vs $30.00 for Rime (Mist v3), 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.