Ultravox vs OpenAI pricing
Voice agents: Ultravox from $0.05 vs OpenAI from $0.05.
Last updated · prices checked daily
Voice agent platforms: Ultravox vs OpenAI
Both list the same lowest Voice agents price: $0.05 per minute.
| Vendor | Product / tier | $/min |
|---|---|---|
| Ultravox Visit site ↗ | Ultravox per-minute Pay as you go Bundled models First 30 minutes free per page. | $0.05 |
| OpenAI Visit site ↗ | gpt-live-1 (speech-to-speech) Bundled models Per-minute session price; backend model and tool usage are charged separately. | $0.05 |
What it costs at volume (lowest listed rate)
| Minutes | Ultravox | OpenAI |
|---|---|---|
| 1,000 min | $50.00 | $50.00 |
| 10,000 min | $500.00 | $500.00 |
| 100,000 min | $5,000.00 | $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.
$0.00per call
$0.000per minute
$0per month
FAQ
Is Ultravox or OpenAI cheaper for voice agent platforms?
Both list the same lowest Voice agents price: $0.05 per minute. 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.