Cartesia model product
Sonic 3.6
6 is a text-to-speech model from Cartesia that supports 44 languages and 61 locales.
Updated Sep 8, 2026. Default version: Sonic 3.6
LLMBoard Text-to-Speech Score66.6Sonic 3.6
Coverage35%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
Sonic 3.6 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Sonic 3.6 Benchmark Results
Benchmark scores for Sonic 3.6.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Text To Speech | Score1,282.00 elo | Rank01 | Participants96 | Percentile100.00% | EvidenceB | EvaluatedN/A |
Sonic 3.6 Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
Sonic 3.6 Pricing
Prices are shown in the model's native media unit and resolution tier.
- Native price
- N/A
- Price unit
- N/A
- Tier
- Standard
- Tracked offerings
- 0
No price available
This model does not have a current media price.
Media catalog prices are not converted into token input or output prices.
Sonic 3.6 Runtime Performance
Provider-specific output speed and catalog latency for Sonic 3.6. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Sonic 3.6 Specifications
Technical details for the model's default version.
- Version
- Sonic 3.6
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- text
- Outputs
- audio
- Open weights
- No
- License
- Unspecified
Sonic 3.6 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionSonic 3.6 | ReleasedN/A | LLMBoard66.63 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsNo | LicenseUnspecified |
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What is Sonic 3.6?
Key information about Sonic 3.6 and its available data.
6 is Cartesia’s text-to-speech model, available through streaming, WebSocket, bytes, and SSE interfaces. 6-2026-08-27.
Data as of 2026-09-08.
FAQ
Common questions about Sonic 3.6.
When was Sonic 3.6 released?
A release date is not available for the default version.
How much does Sonic 3.6 cost?
No native catalog price is currently available for Sonic 3.6.
Who created Sonic 3.6?
Sonic 3.6 was created by Cartesia.
What is the context window for Sonic 3.6?
A context window is not available for the default version.
Is Sonic 3.6 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Sonic 3.6?
No provider offering is currently linked to the default version.