Vertex AI: Gemini 1.5 Flash

Name: Gemini 1.5 Flash API
Brand: Google

stable

Gemini 1.5 Flash is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

gemini-1.5-flashgemini

Provider Quick start

Context

1.0M

tokens

Max output

8.2K

tokens

Input

$0.075

per 1M

Output

$0.30

per 1M

Activity

Daily period usage

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

Providers

ProviderContextInput /MOutput /M

Pricing

Item	Price	Unit
Input	$0.075	per 1M tokens
Output	$0.30	per 1M tokens

Performance

Reliability

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Compare usage and performance

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Capabilities

Modalities

Input

Output

Details

Model ID: gemini-1.5-flash
Family: gemini
Status: stable
Knowledge: -
Released: -

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-1.5-flash",  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-1.5-flash

Auth env

GOOGLE_APPLICATION_CREDENTIALS

Gemini 1.5 Flash FAQ

How much does the Gemini 1.5 Flash API cost?

Through Vertex AI, Gemini 1.5 Flash costs $0.075 per 1M input tokens and $0.30 per 1M output tokens.

What is the context window of Gemini 1.5 Flash?

Gemini 1.5 Flash accepts up to 1.0M tokens of context and returns up to 8.2K output tokens on Vertex AI.

Which providers offer Gemini 1.5 Flash?

Gemini 1.5 Flash is available from Google and Vertex AI. Everstack can route between them with automatic fallback when one is unavailable.

What can Gemini 1.5 Flash do?

Gemini 1.5 Flash supports chat, function calling and image input. It accepts text, image, video and audio input.

How do I call Gemini 1.5 Flash through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @vertex-ai/gemini-1.5-flash. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.