diff --git a/backend/onyx/llm/chat_llm.py b/backend/onyx/llm/chat_llm.py
index fe131fb62b5c..8a16333acfed 100644
--- a/backend/onyx/llm/chat_llm.py
+++ b/backend/onyx/llm/chat_llm.py
@@ -434,7 +434,17 @@ class DefaultMultiLLM(LLM):
                 # or else OpenAI throws an error
                 **(
                     {"parallel_tool_calls": False}
-                    if tools and self.config.model_name != "o3-mini"
+                    if tools
+                    and self.config.model_name
+                    not in [
+                        "o3-mini",
+                        "o3-preview",
+                        "o1",
+                        "o1-preview",
+                        "o1-mini",
+                        "o1-mini-2024-09-12",
+                        "o3-mini-2025-01-31",
+                    ]
                     else {}
                 ),  # TODO: remove once LITELLM has patched
                 **(