diff --git a/backend/open_webui/utils/filter.py b/backend/open_webui/utils/filter.py
index 2643ea1ab5..193e00c975 100644
--- a/backend/open_webui/utils/filter.py
+++ b/backend/open_webui/utils/filter.py
@@ -13,6 +13,14 @@ class FilterContext:
         self.valves_by_id = None
         self.function_valves = {}
         self.user_valves = {}
+        self.failed_filter_ids = set()
+
+    def should_log_error(self, filter_id):
+        """True only on a filter's first failure this response, since stream filters run per chunk."""
+        if filter_id in self.failed_filter_ids:
+            return False
+        self.failed_filter_ids.add(filter_id)
+        return True
 
     async def get_function_valves(self, filter_ids, filter_id, Valves):
         if filter_id not in self.function_valves:
@@ -172,22 +180,26 @@ async def process_filter_function(
     skip_files = (
         function_module.file_handler if filter_type == 'inlet' and hasattr(function_module, 'file_handler') else None
     )
-    valves_by_id = await apply_filter_valves(function_module, filter_context, valves_by_id, filter_ids, filter_id)
-
     try:
+        valves_by_id = await apply_filter_valves(function_module, filter_context, valves_by_id, filter_ids, filter_id)
+
         sig = inspect.signature(handler)
         params = get_filter_params(sig, filter_id, filter_type, form_data, extra_params)
 
         if '__user__' in sig.parameters:
             try:
                 await apply_user_valves(function_module, filter_context, filter_id, params)
-            except Exception as e:
-                log.exception(f'Failed to get user values: {e}')
+            except Exception:
+                log.exception('Failed to get user valves for filter %s', filter_id)
 
         form_data = await run_filter_handler(handler, params)
-    except Exception as e:
-        log.debug('Error in %s handler %s: %s', filter_type, filter_id, e)
-        raise e
+    except Exception:
+        if filter_type == 'inlet':
+            # raising from inlet is the documented way to block a request, and already surfaces to the user
+            log.debug('Error in inlet filter %s', filter_id, exc_info=True)
+        elif filter_context is None or filter_context.should_log_error(filter_id):
+            log.exception('Error in %s filter %s', filter_type, filter_id)
+        raise
 
     return form_data, valves_by_id, skip_files