Older Models

We recommend using Sonic 3.5 for best results, most languages, and naturalness. We continue to serve these older models for compatibility.

sonic-3

Snapshot	Release Date	Languages	Status
`sonic-3-2026-01-12`	January 12, 2026	en, de, es, fr, ja, pt, zh, hi, ko, it, nl, pl, ru, sv, tr, tl, bg, ro, ar, cs, el, fi, hr, ms, sk, da, ta, uk, hu, no, vi, bn, th, he, ka, id, te, gu, kn, ml, mr, pa	Stable
`sonic-3-2025-10-27`	October 27, 2025	en, de, es, fr, ja, pt, zh, hi, ko, it, nl, pl, ru, sv, tr, tl, bg, ro, ar, cs, el, fi, hr, ms, sk, da, ta, uk, hu, no, vi, bn, th, he, ka, id, te, gu, kn, ml, mr, pa	Sunsets Oct 20, 2026

sonic-2 and all sonic-2-* snapshots will stop working after October 20, 2026. Migrate to Sonic 3.5.

Snapshot	Release Date	Languages	Status
`sonic-2-2025-06-11`	June 11, 2025	en, fr, de, es, pt, zh, ja, ko	Sunsets Oct 20, 2026
`sonic-2-2025-05-08`	May 8, 2025	en, fr, de, es, pt, zh, ja, ko	Sunsets Oct 20, 2026
`sonic-2-2025-04-16`	April 16, 2025	en, fr, de, es, pt, zh, ja, ko	Sunsets Oct 20, 2026
`sonic-2-2025-03-07`	March 7, 2025	en, fr, de, es, pt, zh, ja, hi, it, ko, nl, pl, ru, sv, tr	Sunsetted

sonic-turbo and all sonic-turbo-* snapshots will stop working after October 20, 2026. Migrate to Sonic 3.5.

Snapshot	Release Date	Languages	Status
`sonic-turbo-2025-06-04`	June 6, 2025	en, fr, de, es, pt, zh, ja, hi, ko	Sunsets Oct 20, 2026
`sonic-turbo-2025-03-07`	March 7, 2025	en, fr, de, es, pt, zh, ja, hi, it, ko, nl, pl, ru, sv, tr	Sunsetted

Snapshot	Release Date	Languages	Status
`sonic-2024-12-12`	December 12, 2024	en, fr, de, es, pt, zh, ja, hi, it, ko, nl, pl, ru, sv, tr	Sunsetted
`sonic-2024-10-19`	October 19, 2024	en, fr, de, es, pt, zh, ja, hi, it, ko, nl, pl, ru, sv, tr	Sunsetted

The following model aliases are now deprecated. Please use the recommended model names instead:

Deprecated Alias	Use Instead
`sonic-3-latest`	`sonic-3.5`
`sonic-3-preview`	`sonic-3`