> ## Documentation Index
> Fetch the complete documentation index at: https://codinitdev-mintlify-update-changelog-codinit-dev-90028.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Anthropic

> Configure Anthropic Claude models with CodinIT for advanced reasoning and code generation.

**Website:** [https://www.anthropic.com/](https://www.anthropic.com/)

## Getting an API Key

1. Go to [Anthropic Console](https://console.anthropic.com/) and sign in
2. Navigate to [API keys](https://console.anthropic.com/settings/keys)
3. Click "Create Key" and name it (e.g., "CodinIT")
4. Copy the key immediately - you won't see it again

## Configuration

1. Click the settings icon (⚙️) in CodinIT
2. Select "Anthropic" as the API Provider
3. Paste your API key
4. Choose your model

## Supported Models

* `anthropic/claude-sonnet-4.5` (Recommended)
* `claude-opus-4-1-20250805`
* `claude-3-7-sonnet-20250219`
* `claude-3-5-sonnet-20241022`
* `claude-3-5-haiku-20241022`

See [Anthropic's documentation](https://docs.anthropic.com/en/about-claude/models) for full model details.

## Extended Thinking

Enable enhanced reasoning for complex tasks by checking "Enable Extended Thinking" in CodinIT settings. Available for Claude Opus 4, Sonnet 4.5, and Sonnet 3.7.

Learn more in the [Extended Thinking documentation](https://docs.anthropic.com/en/build-with-claude/extended-thinking).

## Notes

* **Context Window:** 200,000 tokens
* **Prompt Caching:** Reduces costs for repeated prompts
* **Rate Limits:** Based on [usage tiers](https://docs.anthropic.com/en/api/rate-limits). Consider [OpenRouter](/providers/openrouter) if hitting limits
* **Pricing:** See [Anthropic Pricing](https://www.anthropic.com/pricing)