Gemini 3.8 Flash TTS vs Sonic 3.6

Wins 0 of 2 benchmarks

$49 / 1M characters

Wins 2 of 2 benchmarks

Only shared

AA TTS provider voice?

Gemini 3.8 Flash TTS1,277.8

Sonic 3.61,290.1

AA TTS controlled voice?

Gemini 3.8 Flash TTS1,049.4

Sonic 3.61,152.3

Benchmark	Gemini 3.8 Flash TTS	Sonic 3.6
AA TTS provider voice	1,277.8	1,290.1
AA TTS controlled voice	1,049.4	1,152.3

Specs

Spec	Gemini 3.8 Flash TTS	Sonic 3.6
Price	—	!$49
Weights	Closed	Closed
Released	Sep 2026	Aug 2026
Languages	en, es, fr +123	en, es, fr +41
Voice cloning	Yes	Yes
Price covers	Exact native tariff; see source for billing scope.	Exact native tariff; see source for billing scope.

Gemini 3.8 Flash TTS → Sonic 3.6

Languages: loses arz, arb-Arab, arb-Latn +87

Sonic 3.6 → Gemini 3.8 Flash TTS

Nothing known.