Gemini 3.1 Flash TTS (preview) · impossibl

Gemini 3.1 Flash TTS (preview) is Google's text-to-speech model in the Gemini 3.1 family, generating natural, low-latency speech from text prompts. It adds expressive audio tags for precise narration control alongside steerable prompts and improved naturalness, controllability, and multilingual support over earlier Gemini TTS models.

Modelo base Todos os modelos desta base Todos os modelos do provedor ao provedor

Entrada, $/1M $1.00

Saída, $/1M $20.00

Contexto —

Aceita texto

Última verificação 04.11.2026 12:00:14 UTC

Fonte página do provedor

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API

API compatível com OpenAI: os SDKs oficiais da OpenAI funcionam com esta URL base. Substitua YOUR_API_KEY pela sua chave do provedor.

URL base da API	`https://api.impossibl.com/v1`
Endpoint	`https://api.impossibl.com/v1/audio/speech`
ID do modelo	`google/gemini-3.1-flash-tts-preview`

curl

curl https://api.impossibl.com/v1/audio/speech \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-3.1-flash-tts-preview", "input": "Hello!", "voice": "alloy"}'

Python

import requests

r = requests.post(
    "https://api.impossibl.com/v1/audio/speech",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "google/gemini-3.1-flash-tts-preview",
      "input": "Hello!",
      "voice": "alloy"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://api.impossibl.com/v1/audio/speech", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "google/gemini-3.1-flash-tts-preview",
    "input": "Hello!",
    "voice": "alloy"
  }),
});
console.log(await r.blob());

Requisição (JSON)

{
  "model": "google/gemini-3.1-flash-tts-preview",
  "input": "Hello!",
  "voice": "alloy"
}

Resposta (JSON)

audio bytes (audio/mpeg)

O endereço vem da lista de modelos do provedor; confira na documentação dele.

Documentação da API do provedor

Source: AI Rate Card, https://airatecard.com/pt/c/offer%3Aimpossibl%7Cgoogle/gemini-3.1-flash-tts-preview, prices checked 2026-11-04; seller's page: https://impossibl.com/models/google/gemini-3.1-flash-tts-preview

Dados técnicos

ID: offer:impossibl|google/gemini-3.1-flash-tts-preview