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Sonic 2

Cartesia Sonic 2, an earlier-generation text-to-speech model for converting transcripts into speech; "sonic-2 and all sonic-2-* snapshots will stop working after October 20, 2026.".

text → audio · made by Cartesia

$0.000038per character
Cartesia

Sold by 4 ways

SellerLaneRate
Cartesia apiscale$38per million characterscartesia.ai · read 2026-08-25
Cartesia apistartup$45per million characterscartesia.ai · read 2026-08-25
Cartesia apipro$65per million characterscartesia.ai · read 2026-08-25
Together AI 0 ways$0.000065
Together AI aggregatornot on the seller's list todaystandard$65per million charactersdocs.together.ai · read 2026-08-24

Measured 1 standing

PlaceBoardMetricScore
18thof 39TTS Arena V2Elo1510

About

Sonic 2 — an audio model from Cartesia, placed 18th of 39 on TTS Arena V2.

It takes text and returns audio. The catalogue files it under speak. It stands 18th of 39 on TTS Arena V2.

Every current figure

Maker
Cartesia
Register
model
Takes
text
Returns
audio
Boards
1
Best place
18th of 39 — TTS Arena V2

Known as 3 names

Cartesia Sonic 2sonic-2cartesia/sonic-2