Audio modelsGoogle

Gemini 3.1 Flash Text to Speech: model and API overview

Gemini 3.1 Flash Text to Speech is part of Google's Gemini TTS family. This card is for an audio workflow. It can turn text into natural-sounding speech. Consider it when you need narration, a voice-over, or a spoken interface. Input: Text; output: Audio.

External model reference page. This page does not confirm availability in Neiron.

Capabilities

Gemini 3.1 Flash Text to Speech: For audio workflows, it can turn text into natural-sounding speech.

Input: Text; output: Audio.

Purpose: Audio processing; developer: Google; region: United States.

Use cases

Choose it for an audio workflow: Gemini 3.1 Flash Text to Speech, when you need narration, a voice-over, or a spoken interface.Compare Gemini 3.1 Flash Text to Speech with related Gemini TTS models if the task allows a different input or output format.Before starting, confirm the input format and expected result (synthesized speech).

Reviewed facts

Developer

Google

Purpose

Audio processing

Input

Text

Output

Audio

Geography

United States

Verified

2026-08-26

Benchmarks

No comparable benchmark is recorded in this card.

Sources

What to verify before use

Parameters, limits, licensing terms, and, where applicable, pricing for Gemini 3.1 Flash Text to Speech change over time. Check the official Google documentation before integrating.

Expected result: synthesized speech. For a different input or output, see neighboring Gemini TTS cards.

For comparison, use the same text or audio source; check intelligibility, voice or music consistency, and audible artifacts.

FAQ

What is Gemini 3.1 Flash Text to Speech?

What task is Gemini 3.1 Flash Text to Speech suited to?

Turn text into natural-sounding speech. Choose it when you need narration, a voice-over, or a spoken interface.

What does Gemini 3.1 Flash Text to Speech accept and return?

Reviewed input modalities: Text. Output: Audio. The record was checked on 2026-08-26.