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Sonic-3.5
About Sonic-3.5
Sonic-3.5 is an AI model developed by Cartesia, in the speech category, released in 2026, made available as a proprietary (API-only) model. Cartesia's flagship real-time streaming text-to-speech model, moved to general availability out of preview. Built on a s.
On this page you'll find Sonic-3.5's full specifications. Review provider pricing and benchmark scores below, or compare Sonic-3.5 head-to-head with other speech models.
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Frequently asked questions
What is Sonic-3.5? ▶
Cartesia's flagship real-time streaming text-to-speech model, moved to general availability out of preview. Built on a s It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.
Who created Sonic-3.5? ▶
Sonic-3.5 was developed by Cartesia and released in 2026.
Is Sonic-3.5 open source or proprietary? ▶
Sonic-3.5 is a proprietary model. It is accessed through an API rather than by downloading the weights.
How much does Sonic-3.5 cost? ▶
Pricing for Sonic-3.5 depends on the provider. See the providers table on this page for the latest API rates.
How does Sonic-3.5 perform on benchmarks? ▶
Benchmark scores for Sonic-3.5 are listed on this page as they are published. You can compare it head-to-head with other models on the GenAIList compare tool.
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