diff --git a/litellm/llms/bedrock/image/cost_calculator.py b/litellm/llms/bedrock/image/cost_calculator.py
index 0a20b44cb38..a0dc91d7119 100644
--- a/litellm/llms/bedrock/image/cost_calculator.py
+++ b/litellm/llms/bedrock/image/cost_calculator.py
@@ -37,5 +37,7 @@ def cost_calculator(
     )
 
     output_cost_per_image: float = _model_info.get("output_cost_per_image") or 0.0
-    num_images: int = len(image_response.data)
+    num_images: int = 0
+    if image_response.data:
+        num_images = len(image_response.data)
     return output_cost_per_image * num_images
diff --git a/litellm/llms/vertex_ai/image_generation/cost_calculator.py b/litellm/llms/vertex_ai/image_generation/cost_calculator.py
index 2ba18c095bd..646c6080a2e 100644
--- a/litellm/llms/vertex_ai/image_generation/cost_calculator.py
+++ b/litellm/llms/vertex_ai/image_generation/cost_calculator.py
@@ -19,5 +19,7 @@ def cost_calculator(
     )
 
     output_cost_per_image: float = _model_info.get("output_cost_per_image") or 0.0
-    num_images: int = len(image_response.data)
+    num_images: int = 0
+    if image_response.data:
+        num_images = len(image_response.data)
     return output_cost_per_image * num_images
diff --git a/litellm/responses/litellm_completion_transformation/transformation.py b/litellm/responses/litellm_completion_transformation/transformation.py
index 5812daad462..baffca3ac68 100644
--- a/litellm/responses/litellm_completion_transformation/transformation.py
+++ b/litellm/responses/litellm_completion_transformation/transformation.py
@@ -457,8 +457,8 @@ class LiteLLMCompletionResponsesConfig:
                     function=ChatCompletionToolParamFunctionChunk(
                         name=tool["name"],
                         description=tool.get("description") or "",
-                        parameters=tool.get("parameters", {}),
-                        strict=tool.get("strict", False),
+                        parameters=dict(tool.get("parameters", {}) or {}),
+                        strict=tool.get("strict", False) or False,
                     ),
                 )
             )
diff --git a/litellm/types/utils.py b/litellm/types/utils.py
index 5d4b20bdb0d..89a766de05c 100644
--- a/litellm/types/utils.py
+++ b/litellm/types/utils.py
@@ -1567,7 +1567,7 @@ class ImageUsage(BaseLiteLLMOpenAIResponseObject):
 from openai.types.images_response import ImagesResponse as OpenAIImageResponse
 
 
-class ImageResponse(OpenAIImageResponse, BaseLiteLLMOpenAIResponseObject):
+class ImageResponse(BaseLiteLLMOpenAIResponseObject):
     _hidden_params: dict = {}
     usage: ImageUsage
 
@@ -1609,7 +1609,12 @@ class ImageResponse(OpenAIImageResponse, BaseLiteLLMOpenAIResponseObject):
             output_tokens=0,
             total_tokens=0,
         )
-        super().__init__(created=created, data=_data, usage=_usage)  # type: ignore
+
+        #######################
+        self.created = created
+        self.data = _data
+        self.usage = _usage
+        #######################
         self._hidden_params = hidden_params or {}
 
     def __contains__(self, key):