gemini-3.8-flash-tts

Name: gemini-3.8-flash-tts
Author: Google Vertex AI

ttsproprietary

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

ProviderGoogle Vertex AI

CreatorGoogle AI

Familygemini-3.8

Licenseproprietary

Statusactive

Typetts

Input modalitiestext, image, audio

Output modalitiestext, image, speech

Open weightNo

Parameters—

Architecture—

Max chars—

Sample rate—

Voices—

Languages—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Endpoints

Generate ContentPOST

Generate text from multimodal inputhttps://us-central1-aiplatform.googleapis.com/v1beta/models/{model}:generateContent

Stream ContentPOST

Stream text generation responseshttps://us-central1-aiplatform.googleapis.com/v1beta/models/{model}:streamGenerateContent

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	—	—	—	—
gemini-3.8-flash	RTJJMSB	—	—	—	—
gemini-3.8-live-extended-thinking	RTJJMSB	—	—	—	—
gemini-3.8-live	RTJJMSB	—	—	—	—

API

GET/v1/models/vertex/gemini-3.8-flash-tts