Update app.py

app.py

@@ -151,23 +151,22 @@ retriever = db.as_retriever(
 # )
 
 
-llm = ChatOpenAI(
-    base_url="https://openrouter.ai/api/v1",
-    temperature=0.01,
-    api_key=OPENAPI_KEY,
-    model="google/gemini-2.0-flash-exp:free",
-    max_tokens=None,
-    timeout=None,
-    max_retries=3,
+#llm = ChatOpenAI(
+    #base_url="https://openrouter.ai/api/v1",
+    #temperature=0.01,
+    #api_key=OPENAPI_KEY,
+    #model="google/gemini-2.0-flash-exp:free",
+    #max_tokens=None,
+    #timeout=None,
+    #max_retries=3,
 
-)
+#)
 
 
-# llm = ChatCerebras(
-#     model="llama-3.3-70b",
-#     api_key=C_apikey,
-#     stream=True
-# )
+llm = ChatCerebras(
+     model="llama-3.3-70b",
+     api_key=C_apikey
+)