> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # AnthropicCacheCreation ## Fields | Field | Type | Required | Description | | - | - | - | - | | `Ephemeral1hInputTokens` | `int64` | ✔️ | N/A | | `Ephemeral5mInputTokens` | `int64` | ✔️ | N/A |