---
title: "ChatContentCacheControl"
---

Anthropic-style cache breakpoint for the content part. Interchangeable with the OpenAI-style `prompt_cache_breakpoint` marker: OpenRouter converts between the two based on the provider serving the request.


## Fields

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