diff --git a/__pycache__/app.cpython-312.pyc b/__pycache__/app.cpython-312.pyc
index f44c73c..2da29e5 100644
Binary files a/__pycache__/app.cpython-312.pyc and b/__pycache__/app.cpython-312.pyc differ
diff --git a/app.py b/app.py
index fc539f6..7a0947d 100644
--- a/app.py
+++ b/app.py
@@ -25,7 +25,7 @@ app = FastAPI(title="Browser Use API", version="1.0.0")
 class TaskRequest(BaseModel):
     task: str
     max_steps: Optional[int] = 20
-    model: Optional[str] = Field(default_factory=lambda: os.getenv("LLM_MODEL_NAME", "openai/gpt-4o-mini"))
+    model: Optional[str] = None
 
 class TaskResponse(BaseModel):
     task_id: str
@@ -67,9 +67,12 @@ async def run_browser_task(task_id: str, task: str, max_steps: int, model: str):
         if not api_key:
             raise ValueError("OPENROUTER_API_KEY not set")
         
+        # Читаем модель из переменной окружения в момент выполнения
+        actual_model = model if model else os.getenv("LLM_MODEL_NAME", "openai/gpt-4o-mini")
+        
         # Используем ChatOpenAI с base_url для OpenRouter
         llm = ChatOpenAI(
-            model=model,
+            model=actual_model,
             base_url="https://openrouter.ai/api/v1",
             api_key=api_key
         )