What Cartesia Sonic 3.6 is best at
Pricing
Cartesia Sonic 3.6 costs 4 credits per 1,000 characters on Versely. It bills per 1,000 characters of input text.
| Option | Price |
|---|---|
| per 1,000 characters | 4 credits |
Prices are Versely credits. Your plan's credit allowance is on the pricing page.
Inputs
Text prompt
Generates from a written prompt - no media upload required.
Voice sample
Takes a reference recording and clones that voice.
Rankings
Cartesia Sonic 3.6 ranks #4 overall with an Elo score of 1289 on Versely's live model rankings.
| Category | Rank | Elo | Measured |
|---|---|---|---|
| Text to audio | #4 | 1289 | - |
Release
Cartesia Sonic 3.6 was released on August 27, 2026 (released 2 months ago).
Compare Cartesia Sonic 3.6
Side-by-side pricing, resolution and rankings against models buyers weigh it against.
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Frequently asked questions
How much does Cartesia Sonic 3.6 cost on Versely?+
Cartesia Sonic 3.6 costs 4 credits per 1,000 characters on Versely.
What is Cartesia Sonic 3.6 best for?+
Cartesia's newest and top-ranked TTS model (Sonic 3.6). 44 languages including Hindi-English code-switching, context-driven emotion without tags, speed tuning, and voice cloning. Existing cloned voices work unchanged. On Versely it is filed as a Cartesia audio model for text to audio, voice clone.
How does Cartesia Sonic 3.6 rank against other audio models?+
Cartesia Sonic 3.6 ranks #4 overall with an Elo score of 1289 on Versely's live model rankings.
Does Cartesia Sonic 3.6 need a voice sample?+
Cartesia Sonic 3.6 works from an audio input — it clones or converts a voice you supply.
When was Cartesia Sonic 3.6 released?+
Cartesia Sonic 3.6 was released on August 27, 2026 (released 2 months ago).
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Guides
Cartesia Sonic 3.5: Sub-100ms Voices and What Latency Buys You
Cartesia's Sonic 3.5 hits sub-90ms latency across 42 languages and fixes the reads that break TTS: numbers, codes, emails. What that actually buys creators.
Best Text-to-Speech API in 2026: Pick by Constraint
Compare text-to-speech APIs on latency, price per 1,000 characters and languages: Cartesia, ElevenLabs, Deepgram. Hume's API closes 13 November 2026.
Hume Octave 2 vs Cartesia Sonic 3.5
Hume Octave 2 is not on Versely, and Hume's API closes 13 November 2026. Cartesia Sonic 3.5 is 4 credits per 1,000 characters here.