> ## Documentation Index
> Fetch the complete documentation index at: https://docs.usesecond.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Welcome to Second. the AI-first Infrastructure Platform that simplifies complex AI tasks.

<img className="block dark:hidden" src="https://mintcdn.com/second-aa048f5d/2sZVEJ5wGWvKs63p/images/hero.svg?fit=max&auto=format&n=2sZVEJ5wGWvKs63p&q=85&s=0b79f46dd8697f8b2056bd9c2eaf142b" alt="Hero Light" width="1200" height="630" data-path="images/hero.svg" />

<img className="hidden dark:block" src="https://mintcdn.com/second-aa048f5d/2sZVEJ5wGWvKs63p/images/hero.svg?fit=max&auto=format&n=2sZVEJ5wGWvKs63p&q=85&s=0b79f46dd8697f8b2056bd9c2eaf142b" alt="Hero Dark" width="1200" height="630" data-path="images/hero.svg" />

## Setting up

If you don't have one, you can <a href="https://console.usesecond.com">sign up for an account here</a>.

## Features

Learn more about the features and use cases.

<CardGroup cols={2}>
  <Card title="Fine-tuning" icon="binary" href="/fine-tuning/getting-started">
    Customize base models for your specific use cases
  </Card>

  <Card title="Datasets" icon="code" href="https://docs.usesecond.com/fine-tuning/preparing-datasets">
    Automatically generate endpoints from an OpenAPI spec
  </Card>
</CardGroup>