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

# Anthropic

> Configure Anthropic Claude models in integration-api.

The Anthropic caller uses the Anthropic Go SDK with streaming via `onStream` callbacks. Note that Claude requires `max_tokens` to be set explicitly.

**Provider directory:** `api/integration-api/internal/caller/anthropic/`

***

## Vault Credential

| Key   | Description                                                                   |
| ----- | ----------------------------------------------------------------------------- |
| `key` | Anthropic API key from [console.anthropic.com](https://console.anthropic.com) |

***

## Setup

<Steps>
  <Step title="Get an Anthropic API key">
    Sign in at [console.anthropic.com](https://console.anthropic.com) → **API Keys → Create Key**.
  </Step>

  <Step title="Add to Rapida vault">
    In the Rapida dashboard → **Credentials → Create Credential**, select provider **Anthropic**, enter `key` = your API key.
  </Step>

  <Step title="Configure the assistant LLM">
    In the assistant settings → **LLM Provider**, select **Anthropic** and set model parameters:

    ```json theme={null}
    {
      "model.name": "claude-sonnet-4-6",
      "model.max_tokens": 1024,
      "model.temperature": 0.7
    }
    ```

    <Warning>
      `model.max_tokens` is **required** for Anthropic. The API will return an error if it is not set.
    </Warning>
  </Step>
</Steps>

***

## Supported Models

| Model                       | Context | Notes                                       |
| --------------------------- | ------- | ------------------------------------------- |
| `claude-opus-4-6`           | 200k    | Most capable                                |
| `claude-sonnet-4-6`         | 200k    | Best speed/capability balance (recommended) |
| `claude-haiku-4-5-20251001` | 200k    | Fastest, lowest cost                        |

***

## Model Parameters

| Key                 | Supported | Notes                     |
| ------------------- | --------- | ------------------------- |
| `model.name`        | ✅         | Required                  |
| `model.max_tokens`  | ✅         | **Required** — no default |
| `model.temperature` | ✅         | 0.0–1.0                   |
| `model.top_p`       | ✅         |                           |
| `model.top_k`       | ✅         | Anthropic-specific        |
| `model.stop`        | ✅         | Array of stop sequences   |
| `model.thinking`    | ✅         | Extended thinking mode    |

***

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