Google: Gemini 3.1 Flash Lite

Name: Gemini 3.1 Flash Lite API
Brand: Google

stable

Gemini 3.1 Flash Lite is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

gemini-3.1-flash-litegemini-3released May 7, 2026

Provider Quick start

Context

1.0M

tokens

Max output

65.5K

tokens

Input

$0.25

per 1M

Output

$1.50

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

Google

1.0M$0.25$1.50

Pricing

Item	Price	Unit
Input	$0.25	per 1M tokens
Output	$1.50	per 1M tokens
Cache read	$0.025	per 1M tokens

Performance

Reliability

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Capabilities

Modalities

Input

Output

Details

Model ID: gemini-3.1-flash-lite
Family: gemini-3
Status: stable
Knowledge: -
Released: May 7, 2026

Gateway Config

API: 2024-01-01
Auth: GOOGLE_API_KEY
Discovery: static
Provider type: static

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@google/gemini-3.1-flash-lite",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://generativelanguage.googleapis.com/v1

Chat completions

https://generativelanguage.googleapis.com/v1/chat/completions

Model

gemini-3.1-flash-lite

Auth env

GOOGLE_API_KEY

Gemini 3.1 Flash Lite FAQ

How much does the Gemini 3.1 Flash Lite API cost?

Through Google, Gemini 3.1 Flash Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens.

What is the context window of Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite accepts up to 1.0M tokens of context and returns up to 65.5K output tokens on Google.

What can Gemini 3.1 Flash Lite do?

Gemini 3.1 Flash Lite supports chat, function calling, image input and reasoning. It accepts text, image, video, audio and PDF input.

How do I call Gemini 3.1 Flash Lite through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @google/gemini-3.1-flash-lite. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.