diff --git a/backend/app/config.py b/backend/app/config.py
index 7f8d6a8..9c1784d 100644
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -10,10 +10,11 @@ DEPRECATED_VISION_MODELS: dict[str, str] = {
 }
 
 DEPRECATED_EXTRACT_MODELS: dict[str, str] = {
-    "google/gemini-2.0-flash-001": "google/gemini-2.5-flash-lite",
-    "google/gemini-2.0-flash": "google/gemini-2.5-flash-lite",
-    "google/gemini-2.0-flash-lite-001": "google/gemini-2.5-flash-lite",
-    "google/gemini-2.0-flash-lite": "google/gemini-2.5-flash-lite",
+    # Пустая строка → fallback на OPENROUTER_MODEL в SettingsService.get_effective
+    "google/gemini-2.0-flash-001": "",
+    "google/gemini-2.0-flash": "",
+    "google/gemini-2.0-flash-lite-001": "",
+    "google/gemini-2.0-flash-lite": "",
 }
 
 
diff --git a/backend/app/llm/client.py b/backend/app/llm/client.py
index 27d5dff..1765a25 100644
--- a/backend/app/llm/client.py
+++ b/backend/app/llm/client.py
@@ -230,8 +230,13 @@ class LLMClient:
         visible_reply: bool = False,
     ) -> dict[str, Any]:
         use_tools = bool(tools) and self.tools_enabled and not for_extraction
+        chosen_model = model
+        if chosen_model:
+            from app.config import resolve_extract_model
+
+            chosen_model = resolve_extract_model(chosen_model) or None
         kwargs: dict[str, Any] = {
-            "model": model or self.model,
+            "model": chosen_model or self.model,
             "messages": messages,
             "temperature": temperature,
         }
diff --git a/backend/app/settings/service.py b/backend/app/settings/service.py
index 9505404..5d4da48 100644
--- a/backend/app/settings/service.py
+++ b/backend/app/settings/service.py
@@ -70,7 +70,8 @@ class SettingsService:
         if key == "openrouter_vision_model":
             return resolve_vision_model(raw.strip())
         if key == "memory_extract_model":
-            return resolve_extract_model(raw.strip())
+            resolved = resolve_extract_model(raw.strip())
+            return resolved if resolved else self._default_for(key)
         return raw
 
     def snapshot(self) -> dict[str, Any]: