Vertex AI

Vertex AI: Gemini 3.5 Flash Lite (Vertex)

stable

Gemini 3.5 Flash Lite (Vertex) is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

gemini-3.5-flash-litegemini-flash-litereleased Jul 21, 2026
ProviderQuick start
Context
1.0M
tokens
Max output
65.5K
tokens
Input
$0.30
per 1M
Output
$2.50
per 1M

Activity

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

Providers

ProviderContextInput /MOutput /M
Google
Google
1.0M$0.30$2.50
OpenRouter
OpenRouter
1.0M$0.30$2.50
Vertex AI
Vertex AI
1.0M$0.30$2.50

Pricing

ItemPriceUnit
Input$0.30per 1M tokens
Output$2.50per 1M tokens
Cache read$0.030per 1M tokens

Performance

Reliability

Compare

Compare usage and performance
Place this model beside up to three other catalog models.

Capabilities

Capabilities
Modalities
Input
Output
Details
Model ID
gemini-3.5-flash-lite
Family
gemini-flash-lite
Status
stable
Knowledge
Mar 1, 2026
Released
Jul 21, 2026
Gateway Config
API
v1
Auth
GOOGLE_APPLICATION_CREDENTIALS
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: "@vertex-ai/gemini-3.5-flash-lite",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL
https://{location}-aiplatform.googleapis.com/v1/projects/{project}/locations/{location}
Chat completions
https://{location}-aiplatform.googleapis.com/v1/projects/{project}/locations/{location}/chat/completions
Model
gemini-3.5-flash-lite
Auth env
GOOGLE_APPLICATION_CREDENTIALS

Gemini 3.5 Flash Lite (Vertex) FAQ

How much does the Gemini 3.5 Flash Lite (Vertex) API cost?

Through Vertex AI, Gemini 3.5 Flash Lite (Vertex) costs $0.30 per 1M input tokens and $2.50 per 1M output tokens.

What is the context window of Gemini 3.5 Flash Lite (Vertex)?

Gemini 3.5 Flash Lite (Vertex) accepts up to 1.0M tokens of context and returns up to 65.5K output tokens on Vertex AI.

Which providers offer Gemini 3.5 Flash Lite (Vertex)?

Gemini 3.5 Flash Lite (Vertex) is available from Google, OpenRouter and Vertex AI. Everstack can route between them with automatic fallback when one is unavailable.

What can Gemini 3.5 Flash Lite (Vertex) do?

Gemini 3.5 Flash Lite (Vertex) supports chat, function calling, image input and reasoning. It accepts text, image, video, audio and PDF input.

How do I call Gemini 3.5 Flash Lite (Vertex) through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @vertex-ai/gemini-3.5-flash-lite. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.