AI Voice / Review
Cartesia
Low-latency text-to-speech API (Sonic), subscription with credits.
$39
Cost / 1M chars
$5/mo
From
No
Free tier
Cartesia offers a low-latency text-to-speech API (Sonic) on a subscription-with-credits model. Paid plans start at $5 per month, and the effective cost works out to roughly $39 per million characters on the entry plan.