From da1a1a59a442f669883cf1fe72cd88cfde0c2fdc Mon Sep 17 00:00:00 2001
From: Luke Halley <development@lukehalley.com>
Date: Thu, 2 Apr 2026 16:44:25 +0800
Subject: [PATCH] feat(aws): handle LLMEnablePromptCachingFrame for runtime
 toggling

Add LLMEnablePromptCachingFrame handler to process_frame for parity
with AnthropicLLMService, enabling runtime toggling of prompt caching.
---
 src/pipecat/services/aws/llm.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pipecat/services/aws/llm.py b/src/pipecat/services/aws/llm.py
index 83b970874..9393db279 100644
--- a/src/pipecat/services/aws/llm.py
+++ b/src/pipecat/services/aws/llm.py
@@ -36,6 +36,7 @@ from pipecat.frames.frames import (
     FunctionCallInProgressFrame,
     FunctionCallResultFrame,
     LLMContextFrame,
+    LLMEnablePromptCachingFrame,
     LLMFullResponseEndFrame,
     LLMFullResponseStartFrame,
     UserImageRawFrame,
@@ -589,6 +590,9 @@ class AWSBedrockLLMService(LLMService):
 
         if isinstance(frame, LLMContextFrame):
             await self._process_context(frame.context)
+        elif isinstance(frame, LLMEnablePromptCachingFrame):
+            logger.debug(f"Setting enable prompt caching to: [{frame.enable}]")
+            self._settings.enable_prompt_caching = frame.enable
         else:
             await self.push_frame(frame, direction)