Cartesia APIs & meters
Realtime voice agents and Sonic TTS with public per-minute and credit meters.
Cartesia Line agent calling
$0.06 / agent call minute
Cartesia Line telephony add-on
$0.014 / telephony add-on minute
Cartesia
Realtime voice agents and Sonic TTS with public per-minute and credit meters.
There are 2 published meters for Cartesia. List unit prices run from $0.014 to $0.06, with a median of $0.037. Billing units represented here: agent call minute, telephony add-on minute. The most recent price check in this group is 2026-08-14.
Official Cartesia pricing page
Cartesia list rates
A cheap host rate is not the same kind of number as a per-GB or per-million-events rate. The source column is the page used for the check.
| Service | Unit price | Unit | Source | Verified |
|---|---|---|---|---|
| Cartesia Line telephony add-on | $0.014 | telephony add-on minute | Cartesia pricing docs | |
| Cartesia Line agent calling | $0.06 | agent call minute | Cartesia pricing docs |
Questions about Cartesia rates
Do Cartesia monthly plans show up in the calculator total?
When the source publishes a per-unit rate, the calculator uses that linear list rate. Included quotas, monthly minimums, annual packs, and volume discounts still live on the official docs.