No longer available
The publisher shut this model down on October 20, 2026. It can no longer be used from its own API. Recommended replacement: sonic-3.6. Publisher notice
- Pricing
- Not published
- Released
- 1y ago
Cost
Cartesia text-to-speech model twice the size of Sonic, with 90ms latency and better voice cloning.
How it compares
Frequently asked questions
Quality and benchmarks
The closest alternatives are Slam-1 by AssemblyAI, Qwen-Omni Turbo by Alibaba, and Suno v4.5 by Suno. They were matched on model kind and release date, with no comparable price.
Slam-1Sonic 2 vs Slam-1Qwen-Omni TurboSonic 2 vs Qwen-Omni TurboSuno v4.5Sonic 2 vs Suno v4.5
Versions and lineage
Yes. Sonic 2 is retired as of October 20, 2026, and the publisher's recommended replacement is Sonic 3.6.
Licensing and access
No. Sonic 2 is closed and uses a proprietary license.
Basics
Sonic 2 was made by Cartesia and released on March 11, 2025.
Generated from Vertical Tabs data, updated November 2, 2026.
Discussion
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