---
id: "sonic-3-6-cartesia-developer-inferred"
title: "Sonic-3.6"
creator: null
creator_url: null
creator_x: null
url: "https://www.cartesia.ai/blog/sonic-3.6"
level: "n/a"
level_max: "n/a"
category: "frontier"
subcategory: "model-releases"
region: "unknown"
license: "unknown"
license_scope: "linked-resource"
access: "free"
models: []
source_date: null
date_added: "2026-10-18"
resource_kind: "entity"
verification_basis: "supplier-inventory-v2.3"
access_evidence: "Supplier-approved free inventory; not independently verified by this site."
domain_top: "Generative media"
domain_sub: "voice & speech"
last_verified: "2026-10-18"
---

[Frontier](/frontier/index.md)

# Sonic-3.6

Creator not supplied; see original source.

[Read the original →](https://www.cartesia.ai/blog/sonic-3.6)

Cartesia post introducing Sonic-3.6, its multilingual real-time text-to-speech model covering 44 languages.

Level: [Not applicable (entity)](/levels/index.md)
Models: 
Category: [Frontier](/frontier/index.md)
Tags: [generative-media](/tags/generative-media/index.md), [voice-speech](/tags/voice-speech/index.md)
Source date: date not stated
Added: 2026-10-18
Last verified: 2026-10-18
Status: ok
Prerequisites: n/a (entity)
Subcategory: [model releases](/frontier/model-releases/index.md)
Region: unknown
Original language: mul
Access: free
Resource reuse: unknown: Not supplied; no reuse grant asserted. [Facet definitions](/about/index.md#facets)
Verification basis: Supplier-reported live check; no independent HTTP verification by this site.
Access evidence: Supplier-approved free inventory; not independently verified by this site.
Source domain: Generative media
Source subdomain: voice & speech
Supplier region label: US

Summary in our own words. Rights remain with the original creator. [Credit and correction policy](/about/index.md#credit-policy).

[Plain-text Markdown copy](/frontier/model-releases/sonic-3-6-cartesia-developer-inferred/index.md)