Cartesia Sonic 3.6 released
Cartesia · Model release
Source confirmed
Cartesia Sonic 3.6
Released Aug 27, 2026 — see all recent releases
Decision reading
Cartesia Sonic 3.6 is tracked, but not publicly ranked yet. The profile exposes 0 sourced benchmark rows and leaves unsupported fields blank until a published record exists.
Data as of September 10, 2026 · How the score is built
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Voice benchmark evidence
Sonic 3.6 launch evaluation is an owner-defined voice evaluation. Its result stays separate from BenchLM's weighted text-model ranking.
Independent controlled-voice Elo
1120
US English preference vs Eleven v3
92%
Reply latency
Under 90 ms
Locales
61
Provider API ID
sonic-3.6
Provider snapshot · Cartesia · 2026-08-27
Spec sheet
Each documented value carries its source. Missing fields stay visible as not sourced or not published, rather than disappearing from the page.
- API model ID
- sonic-3.6Cartesia model documentation
- Context window
- N/A
- Maximum output
- Not sourced yet
- Knowledge cutoff
- Not sourced yet
- Input modalities
- Not sourced yet
- Output modalities
- Not sourced yet
- Parameters
- Not disclosed by the provider
- Availability
- Generally available since August 27, 2026 (beta from August 17) as sonic-3.6 with a dated sonic-3.6-2026-08-27 snapshot, 61 locales, 500+ preset voices, and new Odia and Urdu support.
- Cloud regions
- Not tracked yet
- Lifecycle
- Current
- API capabilities
- Tool calling, structured outputs, and batch support are not tracked yet
- Prompt caching
- Not documented in the pricing recordCartesia model documentation
- Self-host
- Weights are not published
- Rate limits
- Not tracked yet
Lineage
The sequence follows explicit supersedes links. A successor's displayed score stays at least 0.1 points above its predecessor; raw benchmark rows do not move. Scores and prices remain blank when the corresponding public row or first-party rate is unavailable.
Aug 27, 2026 · you are here
Cartesia Sonic 3.6Not publicly ranked · Price not listed
Base entry
How to read this profile
The visual layer above carries the decisions. These notes preserve the model, ranking, coverage, and family context behind the numbers.
We track Cartesia Sonic 3.6, but no weighted text-model benchmark result is published on the site yet. This page shows the metadata and separate protocol evidence we can verify now; a BenchLM score will appear only if compatible public evaluations land.
Cartesia Sonic 3.6 is a proprietary model with a N/A context window. No explicit reasoning mode is documented in this profile.
Generally available since August 27, 2026 (beta from August 17) as sonic-3.6 with a dated sonic-3.6-2026-08-27 snapshot, 61 locales, 500+ preset voices, and new Odia and Urdu support.
Cartesia Sonic 3.6 is a display-only streaming text-to-speech model. Voice results remain separate from BenchLM’s weighted text-model ranking.
The profile has no source-displayable benchmark row yet.
Radar
Full release historyCartesia Sonic 3.6 release history
Radar confirmed these at the source. Use Cartesia Sonic 3.6 in your work? Explore Radar to follow supported changes and choose your alerts.
Frequently asked questions
How does Cartesia Sonic 3.6 perform overall in AI benchmarks?
Cartesia Sonic 3.6 does not have any source-displayable benchmark rows yet, so this profile does not assign a public score or rank. Documented specifications remain visible, while score-led charts and claims stay unavailable until a published evaluation can be attached to the exact model.
Does Cartesia Sonic 3.6 have full benchmark coverage on BenchLM?
No. Cartesia Sonic 3.6 currently has 0 source-displayable rows across 434 tracked benchmark slots. The profile exposes published, non-generated evidence and leaves missing categories blank until an exact evaluation is available. Coverage describes how much was measured; it is not a penalty added to an individual benchmark result.
What is the context window size of Cartesia Sonic 3.6?
Cartesia Sonic 3.6 has a reported context window of N/A in the exact-model catalog record. The value stays visible, but the profile marks its source link as unavailable instead of presenting it as directly documented. Maximum output length remains separate because providers often publish a different limit.
Compare Cartesia Sonic 3.6 with every tracked model482 comparisons
Last updated September 10, 2026. Runtime fields remain blank until a sourced snapshot exists.
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