Gemini 3.8 Flash TTS

Name: Gemini 3.8 Flash TTS
Author: fal

ttsproprietary

Generate expressive speech with Gemini 3.8 Flash TTS.

Context

Max output

16K

Input price

$0.5/1M tokens

Output price

$9/1M tokens

Capabilities

Show unsupported (7)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Details

Model IDgoogle/gemini-3.8-flash-tts

Providerfal

CreatorGoogle AI

Familygemini-3.8

Licenseproprietary

Statusactive

Typetts

Input modalitiestext

Output modalitiesspeech

Open weightNo

Parameters—

Architecture—

Max chars—

Sample rate—

Voices—

Languages—

Release date2026-09-25

Sourceofficial

Endpoints

audio speechPOST

https://fal.run/audio-speech

Pricing

Text tokensPer 1M tokens

	Input	Cached input	Output
Standard	$0.5	—	$9
Batch	$0.25	—	$4.5

Family Comparison: gemini-3.8

Model	Caps	Max chars	Sample rate	Voices	Languages
Gemini 3.8 Flash Lite TTS	RTJJMSB	—	—	—	—
Gemini 3.8 Flash TTS	RTJJMSB	—	—	—	—

API

GET/v1/models/fal/google/gemini-3.8-flash-tts