# Anthropic

To use a language model hosted on Anthropic, specify `anthropic` in the `from` field.

To use a specific model, include its model ID in the `from` field (see example below). If not specified, the default model is `claude-3-5-sonnet-latest`.

The following parameters are specific to Anthropic models:

| Parameter           | Description                      | Default                        |
| ------------------- | -------------------------------- | ------------------------------ |
| `anthropic_api_key` | The Anthropic API key.           | -                              |
| `endpoint`          | The Anthropic API base endpoint. | `https://api.anthropic.com/v1` |

Example `spicepod.yml` configuration:

```yaml
models:
  - from: anthropic:claude-sonnet-4-5
    name: claude_4_5_sonnet
    params:
      anthropic_api_key: ${ secrets:SPICE_ANTHROPIC_API_KEY }
```

See [Anthropic Model Names](https://platform.claude.com/docs/en/about-claude/models/overview) for a list of supported model names.