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Sonic 3.5 specs, prices, where it runs and its benchmark standing

closed weights · top 10 on 0 of 1 · released May 4, 2026

Facts

Provider
Cartesia
Release date
May 4, 2026
Boards
Parameters
Not disclosed by Cartesia
Modalities
Text to Audio
Boards
License
Proprietary
Boards
Weights
Closed weights
Benchmarks
1 board captured
RankBoardScore
21Speech ArenaSpeech · as “Sonic 3.5”1,196

Versions and release history

3 versions in this line since Oct 29, 2025, from Pricing, OpenRouter and the boards.

VersionReleased
Sonic 3.6Aug 17, 20262 months ago
Sonic 3.5this modelMay 4, 20266 months ago
Sonic 3Oct 29, 20251 year ago
Category ranks, more models and catalog changes

Rank in each category

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