From 6adad67f5a78ca60efcfd5edcc39cc9c56148a3c Mon Sep 17 00:00:00 2001
From: "anil.kumar.peesa" <anil.kumar.peesa@accenture.com>
Date: Wed, 8 Oct 2025 16:11:14 +0530
Subject: [PATCH] fix: Image Generation and Edits - handle invalid parameters
 in additional_drop_params

---
 litellm/utils.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/litellm/utils.py b/litellm/utils.py
index 47250615ef6..e2aba9fa8bb 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2580,8 +2580,10 @@ def get_optional_params_image_gen(
     )
     optional_params: Dict[str, Any] = {}
 
+    invalid_params = []
     ## raise exception if non-default value passed for non-openai/azure embedding calls
     def _check_valid_arg(supported_params):
+        nonlocal invalid_params
         if len(non_default_params.keys()) > 0:
             keys = list(non_default_params.keys())
             for k in keys:
@@ -2656,7 +2658,7 @@ def get_optional_params_image_gen(
         passed_params=passed_params,
         custom_llm_provider=custom_llm_provider or "",
         openai_params=openai_params,
-        additional_drop_params=additional_drop_params,
+        additional_drop_params=(additional_drop_params or []) + invalid_params,
     )
     # remove keys with None or empty dict/list values to avoid sending empty payloads
     optional_params = {