diff --git a/litellm/constants.py b/litellm/constants.py
index 38d16d61d7b..88c2123476c 100644
--- a/litellm/constants.py
+++ b/litellm/constants.py
@@ -1586,6 +1586,9 @@ OPENAI_FINISH_REASONS: Final = [
 ]
 HUMANLOOP_PROMPT_CACHE_TTL_SECONDS: Final = int(os.getenv("HUMANLOOP_PROMPT_CACHE_TTL_SECONDS", 60))  # 1 minute
 RESPONSE_FORMAT_TOOL_NAME = "json_tool_call"  # default tool name used when converting response format to tool call
+RESPONSE_FORMAT_TOOL_DESCRIPTION: Final = (
+    "Return the final answer as this structured object, filling every required field."
+)
 
 ########################### Logging Callback Constants ###########################
 AZURE_STORAGE_MSFT_VERSION: Final = "2019-07-07"
diff --git a/litellm/llms/anthropic/chat/transformation.py b/litellm/llms/anthropic/chat/transformation.py
index e328cc66f08..fefa40bd91f 100644
--- a/litellm/llms/anthropic/chat/transformation.py
+++ b/litellm/llms/anthropic/chat/transformation.py
@@ -20,6 +20,7 @@ from litellm.constants import (
     DEFAULT_REASONING_EFFORT_MEDIUM_THINKING_BUDGET,
     DEFAULT_REASONING_EFFORT_MINIMAL_THINKING_BUDGET,
     DEFAULT_REASONING_EFFORT_XHIGH_THINKING_BUDGET,
+    RESPONSE_FORMAT_TOOL_DESCRIPTION,
     RESPONSE_FORMAT_TOOL_NAME,
 )
 from litellm.litellm_core_utils.core_helpers import map_finish_reason
@@ -1754,7 +1755,7 @@ class AnthropicConfig(AnthropicModelInfo, BaseConfig):
 
         _tool: Final = AnthropicMessagesTool(
             name=RESPONSE_FORMAT_TOOL_NAME,
-            description="Return the final answer as this structured object, filling every required field.",
+            description=RESPONSE_FORMAT_TOOL_DESCRIPTION,
             input_schema=_input_schema,
         )
         return _tool
diff --git a/tests/unit/llms/databricks/chat/test_databricks_chat_transformation.py b/tests/unit/llms/databricks/chat/test_databricks_chat_transformation.py
index c6e0ecd2b41..c66efe21749 100644
--- a/tests/unit/llms/databricks/chat/test_databricks_chat_transformation.py
+++ b/tests/unit/llms/databricks/chat/test_databricks_chat_transformation.py
@@ -16,6 +16,7 @@ from litellm.constants import (
     DEFAULT_REASONING_EFFORT_HIGH_THINKING_BUDGET,
     DEFAULT_REASONING_EFFORT_LOW_THINKING_BUDGET,
     DEFAULT_REASONING_EFFORT_MEDIUM_THINKING_BUDGET,
+    RESPONSE_FORMAT_TOOL_DESCRIPTION,
 )
 from litellm.llms.custom_httpx.http_handler import AsyncHTTPHandler, HTTPHandler
 from litellm.llms.databricks.chat.transformation import (
@@ -2143,6 +2144,7 @@ def test_databricks_claude_json_schema_preserves_refs_in_tool_parameters() -> No
             "function": {
                 "name": "json_tool_call",
                 "parameters": JSON_SCHEMA_RESPONSE_FORMAT["json_schema"]["schema"],
+                "description": RESPONSE_FORMAT_TOOL_DESCRIPTION,
             },
         }
     ]
diff --git a/tests/unit/llms/vertex_ai/test_vertex.py b/tests/unit/llms/vertex_ai/test_vertex.py
index 044a07859f9..c5aaa010a96 100644
--- a/tests/unit/llms/vertex_ai/test_vertex.py
+++ b/tests/unit/llms/vertex_ai/test_vertex.py
@@ -22,6 +22,7 @@ import pytest
 
 import litellm
 from litellm import Router, get_optional_params
+from litellm.constants import RESPONSE_FORMAT_TOOL_DESCRIPTION
 from litellm.llms.vertex_ai.gemini.transformation import _process_gemini_media
 from litellm.types.llms.vertex_ai import BlobType
 
@@ -2692,7 +2693,13 @@ def test_gemini_pro_json_schema_args_sent_httpx(
     request_body: Final = json.loads(route.calls[0].request.content)
     if "claude" in model:
         assert request_body["tool_choice"] == {"type": "tool", "name": "json_tool_call"}
-        assert request_body["tools"] == [{"name": "json_tool_call", "input_schema": _RECIPES_SCHEMA}]
+        assert request_body["tools"] == [
+            {
+                "name": "json_tool_call",
+                "description": RESPONSE_FORMAT_TOOL_DESCRIPTION,
+                "input_schema": _RECIPES_SCHEMA,
+            }
+        ]
     else:
         assert request_body["generationConfig"]["response_mime_type"] == "application/json"
         assert request_body["generationConfig"]["response_json_schema"] == _RECIPES_SCHEMA