diff --git a/litellm/litellm_core_utils/prompt_templates/factory.py b/litellm/litellm_core_utils/prompt_templates/factory.py
index 9b3cad5db2a..db3b2ce68a1 100644
--- a/litellm/litellm_core_utils/prompt_templates/factory.py
+++ b/litellm/litellm_core_utils/prompt_templates/factory.py
@@ -2488,14 +2488,13 @@ def anthropic_messages_pt(
                             for content in user_content[user_content_start:]
                         )
                     ):
-                        cached_user_content: AnthropicMessagesUserMessageValues = copy.copy(user_content[-1])  # pyright: ignore[reportGeneralTypeIssues]  # fresh copy per user message
+                        user_content[-1] = copy.copy(user_content[-1])
                         add_cache_control_to_content(
                             anthropic_content_element=cast(  # cast-ok: copied TypedDict is a dict
-                                dict[str, object], cached_user_content
+                                dict[str, object], user_content[-1]
                             ),
                             original_content_element=user_message_types_block,
                         )
-                        user_content[-1] = cached_user_content
                 elif isinstance(user_message_types_block["content"], str):
                     _anthropic_content_text_element: AnthropicMessagesTextParam = {
                         "type": "text",
@@ -2799,14 +2798,13 @@ def anthropic_messages_pt(
                     for content in assistant_content[assistant_content_start:]
                 )
             ):
-                cached_assistant_content: AnthropicMessagesAssistantMessageValues = copy.copy(assistant_content[-1])  # pyright: ignore[reportGeneralTypeIssues]  # fresh copy per assistant message
+                assistant_content[-1] = copy.copy(assistant_content[-1])
                 add_cache_control_to_content(
                     anthropic_content_element=cast(  # cast-ok: copied TypedDict is a dict
-                        dict[str, object], cached_assistant_content
+                        dict[str, object], assistant_content[-1]
                     ),
                     original_content_element=assistant_content_block,
                 )
-                assistant_content[-1] = cached_assistant_content
 
             msg_i += 1
 
@@ -4623,10 +4621,11 @@ class BedrockConverseMessagesProcessor:
                         assistant_content.append(BedrockContentBlock(text=_assistant_content))
                     # If content is empty/whitespace, skip it (don't add a placeholder)
                     # Add cache point block for assistant string content
-                    assistant_message_cache_point_block = litellm.AmazonConverseConfig().get_cache_point_block(
-                        assistant_message_block, block_type="content_block", model=model
-                    )  # pyright: ignore[reportGeneralTypeIssues]  # reset per assistant message
-                    if assistant_message_cache_point_block is not None:
+                    if (
+                        assistant_message_cache_point_block := litellm.AmazonConverseConfig().get_cache_point_block(
+                            assistant_message_block, block_type="content_block", model=model
+                        )
+                    ) is not None:
                         assistant_content.append(assistant_message_cache_point_block)
 
                 _tool_calls = assistant_message_block.get("tool_calls", [])
@@ -4639,10 +4638,11 @@ class BedrockConverseMessagesProcessor:
                     and assistant_message_block.get("cache_control") is not None
                     and not any("cachePoint" in block for block in assistant_content[assistant_message_content_start:])
                 ):
-                    assistant_list_cache_point_block = litellm.AmazonConverseConfig().get_cache_point_block(
-                        assistant_message_block, block_type="content_block", model=model
-                    )  # pyright: ignore[reportGeneralTypeIssues]  # reset per assistant message
-                    if assistant_list_cache_point_block is not None:
+                    if (
+                        assistant_list_cache_point_block := litellm.AmazonConverseConfig().get_cache_point_block(
+                            assistant_message_block, block_type="content_block", model=model
+                        )
+                    ) is not None:
                         assistant_content.append(assistant_list_cache_point_block)
 
                 msg_i += 1
@@ -5023,10 +5023,11 @@ def _bedrock_converse_messages_pt(
                 if _assistant_content.strip():
                     assistant_content.append(BedrockContentBlock(text=_assistant_content))
                 # Add cache point block for assistant string content
-                assistant_message_cache_point_block = litellm.AmazonConverseConfig().get_cache_point_block(
-                    assistant_message_block, block_type="content_block", model=model
-                )  # pyright: ignore[reportGeneralTypeIssues]  # reset per assistant message
-                if assistant_message_cache_point_block is not None:
+                if (
+                    assistant_message_cache_point_block := litellm.AmazonConverseConfig().get_cache_point_block(
+                        assistant_message_block, block_type="content_block", model=model
+                    )
+                ) is not None:
                     assistant_content.append(assistant_message_cache_point_block)
             _tool_calls = assistant_message_block.get("tool_calls", [])
             if _tool_calls:
@@ -5038,10 +5039,11 @@ def _bedrock_converse_messages_pt(
                 and assistant_message_block.get("cache_control") is not None
                 and not any("cachePoint" in block for block in assistant_content[assistant_message_content_start:])
             ):
-                assistant_list_cache_point_block = litellm.AmazonConverseConfig().get_cache_point_block(
-                    assistant_message_block, block_type="content_block", model=model
-                )  # pyright: ignore[reportGeneralTypeIssues]  # reset per assistant message
-                if assistant_list_cache_point_block is not None:
+                if (
+                    assistant_list_cache_point_block := litellm.AmazonConverseConfig().get_cache_point_block(
+                        assistant_message_block, block_type="content_block", model=model
+                    )
+                ) is not None:
                     assistant_content.append(assistant_list_cache_point_block)
 
             msg_i += 1