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

# Prompt Caching

> Provider-side mechanism that reuses the key-value (KV) computation for a stable prompt prefix, billing cached tokens at a lower rate (typically ~10–20% of in…

# Prompt Caching

Provider-side mechanism that reuses the key-value (KV) computation for a stable prompt prefix, billing cached tokens at a lower rate (typically \~10–20% of input price) than freshly computed tokens.

*Stub — expand when a dedicated source is ingested.*

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