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

# Claude (Anthropic)

> Using Claude models in env

# Claude

Claude is Anthropic's family of AI assistants, known for being helpful, harmless, and honest.

## Available Models

| Model             | Context     | Best For                             |
| ----------------- | ----------- | ------------------------------------ |
| Claude 3.5 Sonnet | 200K tokens | Best balance of speed and capability |
| Claude 3 Opus     | 200K tokens | Complex analysis and reasoning       |
| Claude 3 Haiku    | 200K tokens | Fast, lightweight tasks              |

## Setup

1. Get an API key from [console.anthropic.com](https://console.anthropic.com)
2. Open env Settings (⌘ + ,)
3. Add your key under **Anthropic**
4. Select a Claude model to start chatting

## Features

### Extended Thinking

Claude 3.5 Sonnet supports extended thinking for complex problems. Enable it in the model settings to let Claude reason through difficult tasks step by step.

### Large Context

All Claude 3 models support 200K token context windows — enough for entire codebases or long documents.

### Vision

Claude can analyze images. Drag and drop an image into the chat or use the attachment button.

## Tips

<Tip>
  Claude 3.5 Sonnet is the recommended default — it's fast, capable, and cost-effective.
</Tip>

* Use **Opus** for tasks requiring deep reasoning or nuanced analysis
* Use **Haiku** for quick questions and simple tasks to save on API costs
* Claude excels at coding, writing, and analysis tasks

## Keyboard Shortcut

Press **⌘ + 1** to quickly switch to Claude.