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Cartesia vs Soniox

Cartesia logo
CartesiaAI Voice Generation
From $5 / moPublished price
Soniox logo
SonioxAI Voice API
$0.10/hour async STTPublished price
Cartesia logo
Cartesia
AI Voice Generation

Low-latency voice model infrastructure.

Soniox logo
Soniox
AI Voice API

One speech AI API for realtime speech-to-text, text-to-speech, and translation in 60+ languages.

Overview
CategoryAI Voice GenerationAI Voice API
What it isCartesia builds voice model infrastructure focused on real-time performance for conversational interfaces and AI voice products.Real-time speech recognition platform with state-of-the-art accuracy for transcription and voice applications.
Pricing
Published priceFrom $5 / mo
Usage-based credits. Free: 20K credits/mo (TTS + STT). Pro $5/mo: 100K credits, commercial license, instant voice cloning. Startup $49/mo: 1.25M credits, pro voice cloning. Scale…
$0.10/hour async STT
Soniox publishes usage rates for speech AI. The lowest displayed speech-to-text headline rate is about $0.10 per hour for async STT; real-time STT is shown at about $0.12 per hour.
Pricing modelTiered plansUsage-based
Free optionsFree plan · Free trialNo free plan · No free trial
Deal on Cubbie20% off Live nowNone right now
Company
Founded20232020
Team sizeNot available11-50 employees
HeadquartersSan Francisco, CAPalo Alto, CA

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