diff --git a/frigate/data_processing/post/types.py b/frigate/data_processing/post/types.py
index 10390112d..02d27ccce 100644
--- a/frigate/data_processing/post/types.py
+++ b/frigate/data_processing/post/types.py
@@ -8,8 +8,6 @@ class ReviewMetadata(BaseModel):
         description="A short title characterizing what took place and where, under 10 words."
     )
     scene: str = Field(
-        min_length=120,
-        max_length=600,
         description="A chronological narrative of what happens from start to finish.",
     )
     shortSummary: str = Field(
diff --git a/frigate/genai/__init__.py b/frigate/genai/__init__.py
index d95dd2cae..a38f10de5 100644
--- a/frigate/genai/__init__.py
+++ b/frigate/genai/__init__.py
@@ -151,6 +151,18 @@ Each line represents a detection state, not necessarily unique individuals. The
             if "other_concerns" in schema.get("required", []):
                 schema["required"].remove("other_concerns")
 
+        # Length hints injected into the schema as suggestions to the model
+        # (enforced by grammar-based providers like llama.cpp) but kept off the
+        # Pydantic model so a non-compliant response does not fail validation.
+        length_hints = {
+            "scene": {"minLength": 120, "maxLength": 600},
+            "shortSummary": {"minLength": 70, "maxLength": 100},
+        }
+        for field, hints in length_hints.items():
+            prop = schema.get("properties", {}).get(field)
+            if prop is not None:
+                prop.update(hints)
+
         # OpenAI strict mode requires additionalProperties: false on all objects
         schema["additionalProperties"] = False