Cartesia
Cartesia
Real-time text-to-speech and speech-to-text APIs, aimed at building voice agents.

Platforms
Overview
Cartesia provides text-to-speech and speech-to-text through an API. Billing is usage-based on credits and agent minutes, and every plan includes unlimited workspace seats. There is a free plan to start with; paid plans add a commercial use license and instant voice cloning, and higher tiers add pro voice cloning and higher concurrency limits.
Main features
- Real-time text to speech
- Speech to text
- Voice cloning
- Building voice agents
- Usage-based credits and agent minutes
- Unlimited workspace seats
Pricing
Free
Free
Published price (USD) · Source
- 20K credits/month
- $1 prepaid agents/month
- Text to Speech, Speech to Text
Last verified: September 2026
Pro
$5/month
Published price (USD) · Source
- 100K credits/month
- $5 prepaid agents/month
- Commercial use license
- Instant voice cloning
Last verified: September 2026
Startup
$49/month
Published price (USD) · Source
- 1.25M credits/month
- $49 prepaid agents/month
- Pro voice cloning
- Organizations
Last verified: September 2026
Scale
$299/month
Published price (USD) · Source
- 8M credits/month
- $299 prepaid agents/month
- Priority support
- High concurrency limits
Last verified: September 2026
Cartesia publishes one price worldwide and bills in USD. There is no separate price in your local currency.
Screenshots

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