Google: Gemini 3.1 Flash-Lite · fastrouter

Gemini 3.1 Flash-Lite is Google's most cost-efficient Gemini 3-series model, a low-latency multimodal model optimized for high-volume, cost-sensitive workloads such as classification, translation, data extraction, model routing, and simple agentic tasks. It supports a 1,048,576-token context window across text, images, video, audio, and PDFs, with improved instruction following and audio input quality over Gemini 2.5 Flash-Lite, and four configurable thinking levels (minimal, low, medium, high). It supports function calling, structured outputs, code execution, file search, URL context, Google Search and Maps grounding, and context caching. Knowledge cutoff is January 2025.

Modelo base Todos los modelos de esta base Todos los modelos del proveedor al proveedor

Entrada, $/1M $0.25

Salida, $/1M $1.50

Lectura de caché $0.025

Escritura de caché —

Contexto 1 048 576

Salida máx. 65 536

Acepta audio, archivos, imágenes, texto, vídeo

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://go.fastrouter.ai/api/v1`
Endpoint	`https://go.fastrouter.ai/api/v1/chat/completions`
ID del modelo	`google/gemini-3.1-flash-lite`

curl

curl https://go.fastrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-3.1-flash-lite", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "google/gemini-3.1-flash-lite",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://go.fastrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "google/gemini-3.1-flash-lite",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Solicitud (JSON)

{
  "model": "google/gemini-3.1-flash-lite",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Respuesta (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "google/gemini-3.1-flash-lite",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

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%3Afastrouter%7Cgoogle/gemini-3.1-flash-lite, prices checked 2026-11-04; seller's page: https://fastrouter.ai

Datos técnicos

ID: offer:fastrouter|google/gemini-3.1-flash-lite