Model dossier

Google: Gemini 3.1 Flash TTS Preview

Gemini 3.1 Flash TTS Preview is a text-to-speech model from Google, and a substantial generational step up from Gemini 2.5 Flash TTS. It takes text input and produces audio output...

ProviderGoogle Start comparison

Context32,768

Max output16,384

Pricing viewTVP price

Identity

Google: Gemini 3.1 Flash TTS Preview

Model ID: google/gemini-3.1-flash-tts-preview
Canonical slug: google/gemini-3.1-flash-tts-preview
Knowledge cutoff: n/a
Created: 4/24/2026

Capabilities

textspeechstructured

Modalities

text->speechtextspeech

Capacity

Context32,768

Max output16,384

TokenizerGemini