Sonic / Ink
Sonic (text-to-speech) and Ink (speech-to-text) are Cartesia's voice-generation models, sold via API to developers and enterprises building voice agents.
Find alternatives to Sonic / Ink
Packaging/pricing not independently checked in this pass -- see the company's own pricing or product page. Recorded as not-found rather than guessed.
What it does
- Text to speech
- Speech to text
How it compares
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ElevenLabs Text to Speech
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Octave TTS
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Resemble Text-to-Speech
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Company disclosure · 20 Sep 2026 -
Deepgram Speech-to-Text
Cartesia | Deepgram alternative for voice agents
Company disclosure · 20 Sep 2026
Sources
- Pricing
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Packaging/pricing not independently checked in this pass -- see the company's own pricing or product page. Recorded as not-found rather than guessed.
- Description
- What it does
- Sold within
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No separate packaging/access statement checked; the product is the company's own named system, evidence of a positive standalone rate was not separately verified in this pass.
- Name
- URL
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