Inworld vs Rime pricing
STT: Inworld from $0.0025 vs Rime from $0.002; TTS: Inworld from $15.00 vs Rime from $30.00.
Last updated · prices checked daily
Speech-to-text: Inworld vs Rime
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.0025 for Inworld (STT 1 (On-Demand)), about 20% 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 |
| Inworld Visit site ↗ | STT 1 (On-Demand) | $0.0025 |
What it costs at volume (lowest listed rate)
| Minutes | Inworld | Rime |
|---|---|---|
| 1,000 min | $2.50 | $2.00 |
| 10,000 min | $25.00 | $20.00 |
| 100,000 min | $250.00 | $200.00 |
Text-to-speech: Inworld vs Rime
Inworld has the lower listed TTS price: $15.00 per 1M characters (TTS-2 Flash (On-Demand)) vs $30.00 for Rime (Mist v3), about 50% less.
| Vendor | Product / tier | $/1M chars |
|---|---|---|
| Inworld Visit site ↗ | TTS-2 Flash (On-Demand) | $15.00 |
| Inworld Visit site ↗ | TTS-2 (On-Demand) | $25.00 |
| 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 | Inworld | 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 Inworld or Rime cheaper for speech-to-text?
Rime has the lower listed STT price: $0.002 per minute (Rime STT) vs $0.0025 for Inworld (STT 1 (On-Demand)), about 20% less. Prices checked Oct 28, 2026.
Is Inworld or Rime cheaper for text-to-speech?
Inworld has the lower listed TTS price: $15.00 per 1M characters (TTS-2 Flash (On-Demand)) 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.