diff --git a/frigate/genai/__init__.py b/frigate/genai/__init__.py
index 272420dab..3e939d28d 100644
--- a/frigate/genai/__init__.py
+++ b/frigate/genai/__init__.py
@@ -153,6 +153,9 @@ Each line represents a detection state, not necessarily unique individuals. Pare
             if "other_concerns" in schema.get("required", []):
                 schema["required"].remove("other_concerns")
 
+        # OpenAI strict mode requires additionalProperties: false on all objects
+        schema["additionalProperties"] = False
+
         response_format = {
             "type": "json_schema",
             "json_schema": {
diff --git a/frigate/genai/llama_cpp.py b/frigate/genai/llama_cpp.py
index 87443ac4f..ac698b3b6 100644
--- a/frigate/genai/llama_cpp.py
+++ b/frigate/genai/llama_cpp.py
@@ -36,19 +36,12 @@ def _to_jpeg(img_bytes: bytes) -> bytes | None:
 class LlamaCppClient(GenAIClient):
     """Generative AI client for Frigate using llama.cpp server."""
 
-    LOCAL_OPTIMIZED_OPTIONS = {
-        "temperature": 0.7,
-        "repeat_penalty": 1.05,
-        "top_p": 0.8,
-    }
-
     provider: str  # base_url
     provider_options: dict[str, Any]
 
     def _init_provider(self):
         """Initialize the client."""
         self.provider_options = {
-            **self.LOCAL_OPTIMIZED_OPTIONS,
             **self.genai_config.provider_options,
         }
         return (