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Altered AI vs Cartesia
People
Price
Published entry price
$6+per month
Published entry price
$5+per month
AI Voice Generation
Annual estimate10 people, entry price
$72+
Flat rate
$60+
Flat rate
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AI Voice Generation
Overview
Focus
AI Voice Generation
AI Voice API
Product
Voice changing and synthesis platform for creators transforming voices in real time.
Cartesia builds voice model infrastructure focused on real-time performance for conversational interfaces and AI voice products.
Headquarters
London, United Kingdom
San Francisco, California
Company size
11-50 employees
Founded
2020
2023
Pricing details
Plan
Published entry price
Published entry price
Published rate
$6+ / month
$5+ / month
Billable seats
Flat rate
Flat rate
Free options
Free trial
Free plan, Free trial
Source updated
Nov 2, 2026
Nov 2, 2026