Gemini 3.8 Flash Tts · aihubmix

Gemini 3.8 Flash TTS (gemini-3.8-flash-tts) is Google's 3.8 Flash text-to-speech audio model, designed to deliver studio-grade sound fidelity, expressive performance, and long-form stability.

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.50

Output, $/1M $9.00

Cache read $0.12

Cache write —

Context 8 192

Max output 16 384

Accepts text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

Price alerts

API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://aihubmix.com/api/v1`
Endpoint	`https://aihubmix.com/api/v1/audio/speech`
Model id	`gemini-3.8-flash-tts`

curl

curl https://aihubmix.com/api/v1/audio/speech \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gemini-3.8-flash-tts", "input": "Hello!", "voice": "alloy"}'

Python

import requests

r = requests.post(
    "https://aihubmix.com/api/v1/audio/speech",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "gemini-3.8-flash-tts",
      "input": "Hello!",
      "voice": "alloy"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://aihubmix.com/api/v1/audio/speech", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "gemini-3.8-flash-tts",
    "input": "Hello!",
    "voice": "alloy"
  }),
});
console.log(await r.blob());

Request (JSON)

{
  "model": "gemini-3.8-flash-tts",
  "input": "Hello!",
  "voice": "alloy"
}

Response (JSON)

audio bytes (audio/mpeg)

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Aaihubmix%7Cgemini-3.8-flash-tts, prices checked 2026-11-04; seller's page: https://aihubmix.com

Technical details

ID: offer:aihubmix|gemini-3.8-flash-tts