Cartesia vs Ultravox pricing
Voice agents: Cartesia from $0.06 vs Ultravox from $0.05.
Last updated · prices checked daily
Voice agent platforms: Cartesia vs Ultravox
Ultravox has the lower listed Voice agents price: $0.05 per minute (Ultravox per-minute) vs $0.06 for Cartesia (Managed voice agents (call duration)), about 17% less.
| Vendor | Product / tier | $/min |
|---|---|---|
| Ultravox Visit site ↗ | Ultravox per-minute Pay as you go Bundled models First 30 minutes free per page. | $0.05 |
| Cartesia Visit site ↗ | Managed voice agents (call duration) Bundled models Telephony extra ($0.014/min on Cartesia numbers per page); LLM free for UI agents for a limited time. | $0.06 |
What it costs at volume (lowest listed rate)
| Minutes | Cartesia | Ultravox |
|---|---|---|
| 1,000 min | $60.00 | $50.00 |
| 10,000 min | $600.00 | $500.00 |
| 100,000 min | $6,000.00 | $5,000.00 |
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 Ultravox cheaper for voice agent platforms?
Ultravox has the lower listed Voice agents price: $0.05 per minute (Ultravox per-minute) vs $0.06 for Cartesia (Managed voice agents (call duration)), about 17% 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.