---
title: "Caching"
---

Enable automatic prompt caching. When set at the top level, the system automatically applies cache breakpoints to the last cacheable block in the request. Currently supported for Anthropic Claude models.


## Fields

| Field                                                                                      | Type                                                                                       | Required                                                                                   | Description                                                                                | Example                                                                                    |
| ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ |
| `ttl`                                                                                      | [Optional[components.AnthropicCacheControlTTL]](../components/anthropiccachecontrolttl.mdx) | :heavy_minus_sign:                                                                         | N/A                                                                                        | 5m                                                                                         |
| `type`                                                                                     | [components.ToolTypeEphemeral](../components/tooltypeephemeral.mdx)                         | :heavy_check_mark:                                                                         | N/A                                                                                        |                                                                                            |