diff --git a/litellm/llms/bedrock/chat/invoke_transformations/anthropic_claude3_transformation.py b/litellm/llms/bedrock/chat/invoke_transformations/anthropic_claude3_transformation.py
index 66929a3e3c5..7f67d51d9f5 100644
--- a/litellm/llms/bedrock/chat/invoke_transformations/anthropic_claude3_transformation.py
+++ b/litellm/llms/bedrock/chat/invoke_transformations/anthropic_claude3_transformation.py
@@ -134,7 +134,8 @@ class AmazonAnthropicClaudeConfig(AmazonInvokeConfig, AnthropicConfig):
         programmatic_tool_calling_used = self.is_programmatic_tool_calling_used(tools)
         input_examples_used = self.is_input_examples_used(tools)
 
-        beta_set = set(get_anthropic_beta_from_headers(headers))
+        user_beta_set = set(get_anthropic_beta_from_headers(headers))
+        beta_set = set(user_beta_set)
         auto_betas = self.get_anthropic_beta_list(
             model=model,
             optional_params=optional_params,
@@ -154,10 +155,11 @@ class AmazonAnthropicClaudeConfig(AmazonInvokeConfig, AnthropicConfig):
 
         # Filter out beta headers that Bedrock Invoke doesn't support
         # Uses centralized configuration from anthropic_beta_headers_config.json
-        beta_list = filter_and_transform_beta_headers(
-            beta_headers=list(beta_set),
+        auto_beta_list = filter_and_transform_beta_headers(
+            beta_headers=list(beta_set - user_beta_set),
             provider="bedrock",
         )
+        beta_list = sorted(user_beta_set.union(set(auto_beta_list)))
         if beta_list:
             _anthropic_request["anthropic_beta"] = beta_list
 
@@ -204,7 +206,8 @@ class AmazonAnthropicClaudeConfig(AmazonInvokeConfig, AnthropicConfig):
         programmatic_tool_calling_used = self.is_programmatic_tool_calling_used(tools)
         input_examples_used = self.is_input_examples_used(tools)
 
-        beta_set = set(get_anthropic_beta_from_headers(headers))
+        user_beta_set = set(get_anthropic_beta_from_headers(headers))
+        beta_set = set(user_beta_set)
         auto_betas = self.get_anthropic_beta_list(
             model=model,
             optional_params=optional_params,
@@ -222,10 +225,11 @@ class AmazonAnthropicClaudeConfig(AmazonInvokeConfig, AnthropicConfig):
             if "opus-4" in model.lower() or "opus_4" in model.lower():
                 beta_set.add("tool-search-tool-2025-10-19")
 
-        beta_list = filter_and_transform_beta_headers(
-            beta_headers=list(beta_set),
+        auto_beta_list = filter_and_transform_beta_headers(
+            beta_headers=list(beta_set - user_beta_set),
             provider="bedrock",
         )
+        beta_list = sorted(user_beta_set.union(set(auto_beta_list)))
         if beta_list:
             _anthropic_request["anthropic_beta"] = beta_list
 
diff --git a/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py b/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
index e2ba79c4da8..784c6a50cfd 100644
--- a/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
+++ b/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
@@ -437,7 +437,8 @@ class AmazonAnthropicClaudeMessagesConfig(
         )
         input_examples_used = anthropic_model_info.is_input_examples_used(tools)
 
-        beta_set = set(get_anthropic_beta_from_headers(headers))
+        user_beta_set = set(get_anthropic_beta_from_headers(headers))
+        beta_set = set(user_beta_set)
         auto_betas = anthropic_model_info.get_anthropic_beta_list(
             model=model,
             optional_params=anthropic_messages_optional_request_params,
@@ -461,10 +462,11 @@ class AmazonAnthropicClaudeMessagesConfig(
         if "tool-search-tool-2025-10-19" in beta_set:
             beta_set.add("tool-examples-2025-10-29")
 
-        filtered_betas = filter_and_transform_beta_headers(
-            beta_headers=list(beta_set),
+        filtered_auto_betas = filter_and_transform_beta_headers(
+            beta_headers=list(beta_set - user_beta_set),
             provider="bedrock",
         )
+        filtered_betas = sorted(user_beta_set.union(set(filtered_auto_betas)))
         if filtered_betas:
             anthropic_messages_request["anthropic_beta"] = filtered_betas
 
diff --git a/tests/llm_translation/base_llm_unit_tests.py b/tests/llm_translation/base_llm_unit_tests.py
index d05071148f2..d65735a6200 100644
--- a/tests/llm_translation/base_llm_unit_tests.py
+++ b/tests/llm_translation/base_llm_unit_tests.py
@@ -401,7 +401,7 @@ class BaseLLMChatTest(ABC):
             {
                 "type": "file",
                 "file": {
-                    "file_id": "https://raw.githubusercontent.com/BerriAI/litellm/main/tests/llm_translation/fixtures/dummy.pdf"
+                    "file_id": "https://upload.wikimedia.org/wikipedia/commons/2/20/Re_example.pdf"
                 },
             },
         ]