Gemini 3.1 Flash Lite

GoogleMCP Tool CallReasoning
google/gemini-3.1-flash-liteClosed API

Low-latency Gemini model for high-volume multimodal and agent workloads

Benchmark Pricing$0.25 / 1M in$1.50 / 1M out$0.03 cache read
Context: 1,048,576 tokens•Max Output: 65,536 tokens•Knowledge: 2025-01•Released: 2026-05-07

TECHNICAL SPECIFICATIONS

Context Window1,048,5761M tokens
Max Output65,53665.5K tokens
LicenseProprietaryCloud API only
Input Modalities
TextVisionPDFAudioVideo
Function / Tool CallingSupported (MCP Ready)
Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Gemini 3.1 Flash Lite natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 1,048,576 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

API CALL INVOCATION EXAMPLE

// Example: Calling Gemini 3.1 Flash Lite via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.GOOGLE_API_KEY,
});

const response = await client.chat.completions.create({
  model: "google/gemini-3.1-flash-lite",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);

PRICING BY PROVIDER

15 providers
Googlegemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Cortecsgemini-3.1-flash-lite
$0.27 / $1.63$0.03 cache
NanoGPTgoogle/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
SAP AI Coregemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
302.AIgemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Vivgridgemini-3.1-flash-lite-preview
$0.25 / $1.50$0.03 cache
LLM Gatewaygoogle-vertex/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Poegoogle/gemini-3.1-flash-lite
$0.25 / $1.52
Tempr Gatewaygoogle/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
AI/ML APIgoogle/gemini-3.1-flash-lite-preview
$0.34 / $2.06$0.03 cache
Cloudflare AI Gatewaygoogle/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
AIHubMixgemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Abacusgemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Vercel AI Gatewaygoogle/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache
Eden AIgoogle/gemini-3.1-flash-lite
$0.25 / $1.50$0.03 cache

Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.

Prompt Caching Active

This model supports prompt caching at $0.03 / 1M tokens, saving up to 90% on repetitive MCP tool definitions and system instructions.

MODEL RESOURCES