AI Rate Card

S2.1 Pro · vercel

S2.1 Pro is Fish Audio's current state-of-the-art voice model — the best model we have, now available to every developer for free via API. It is a neural speech synthesis model designed for production-grade AI voice generation, with particular strengths in low-latency streaming, multilingual TTS, and voice cloning.

Modelo baseTodos los modelos de esta baseTodos los modelos del proveedoral proveedor

Precio, $ $15.00 / 1M caracteres

Contexto —

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Última comprobación 04.11.2026 12:00:14 UTC

Fuente página del proveedor

Alertas de precio

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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://ai-gateway.vercel.sh/v1
Endpoint
https://ai-gateway.vercel.sh/v1/audio/speech
ID del modelo
fish-audio/s2.1-pro
curl
curl https://ai-gateway.vercel.sh/v1/audio/speech \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "fish-audio/s2.1-pro", "input": "Hello!", "voice": "alloy"}'
Python
import requests

r = requests.post(
    "https://ai-gateway.vercel.sh/v1/audio/speech",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "fish-audio/s2.1-pro",
      "input": "Hello!",
      "voice": "alloy"
    },
)
print(r.json())
JavaScript
const r = await fetch("https://ai-gateway.vercel.sh/v1/audio/speech", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "fish-audio/s2.1-pro",
    "input": "Hello!",
    "voice": "alloy"
  }),
});
console.log(await r.blob());
Solicitud (JSON)
{
  "model": "fish-audio/s2.1-pro",
  "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%3Avercel%7Cfish-audio/s2.1-pro, prices checked 2026-11-04; seller's page: https://vercel.com/ai-gateway/models/s2.1-pro

Datos técnicos

ID: offer:vercel|fish-audio/s2.1-pro