Cartesia vs Rime pricing
STT: Cartesia from $0.0065 vs Rime from $0.002; TTS: Cartesia from $37.38 vs Rime from $30.00.
Last updated · prices checked daily
Speech-to-text: Cartesia vs Rime
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.0065 for Cartesia (Ink (Scale plan)), about 69% 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 |
| Cartesia Visit site ↗ | Ink (Scale plan) | $0.0065 |
What it costs at volume (lowest listed rate)
| Minutes | Cartesia | Rime |
|---|---|---|
| 1,000 min | $6.50 | $2.00 |
| 10,000 min | $65.00 | $20.00 |
| 100,000 min | $650.00 | $200.00 |
Text-to-speech: Cartesia vs Rime
Rime has the lower listed TTS price: $30.00 per 1M characters (Mist v3) vs $37.38 for Cartesia (Sonic (Scale plan, $299 / 8M credits)), about 20% less.
| Vendor | Product / tier | $/1M chars |
|---|---|---|
| Rime Visit site ↗ | Mist v3 Page: metered by characters, about 1,000 characters per minute, at $0.03 per 1K characters. | $30.00 |
| Cartesia Visit site ↗ | Sonic (Scale plan, $299 / 8M credits) Derived: plan price / included credits; page states 1 credit = 1 character. | $37.38 |
| Cartesia Visit site ↗ | Sonic (Startup plan, $49 / 1.25M credits) Derived: plan price / included credits; page states 1 credit = 1 character. | $39.20 |
| 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 | Cartesia | Rime |
|---|---|---|
| 1M chars | $37.38 | $30.00 |
| 10M chars | $373.75 | $300.00 |
| 100M chars | $3,737.50 | $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 Cartesia or Rime cheaper for speech-to-text?
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.0065 for Cartesia (Ink (Scale plan)), about 69% less. Prices checked Oct 28, 2026.
Is Cartesia or Rime cheaper for text-to-speech?
Rime has the lower listed TTS price: $30.00 per 1M characters (Mist v3) vs $37.38 for Cartesia (Sonic (Scale plan, $299 / 8M credits)), about 20% 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.