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.

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Entrada, $/1M $1.00

Salida, $/1M $20.00

Contexto —

Acepta texto

Última comprobación 04.11.2026 12:00:14 UTC

Fuente página del proveedor

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API

API compatible con OpenAI: los SDK oficiales de OpenAI funcionan con esta URL base. Sustituye YOUR_API_KEY por tu clave del proveedor.

URL base de la API	`https://api.impossibl.com/v1`
Endpoint	`https://api.impossibl.com/v1/audio/speech`
ID del 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());

Solicitud (JSON)

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

Respuesta (JSON)

audio bytes (audio/mpeg)

La dirección se toma de la lista de modelos del proveedor; compruébala con su documentación.

Documentación de la API del proveedor

Source: AI Rate Card, https://airatecard.com/es/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

Datos técnicos

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