Update app.py

app.py

@@ -34,7 +34,7 @@ except Exception as e:
 retriever = vectorstore.as_retriever(search_type="similarity", search_kwargs={"k": 20})
 
 # Menyiapkan model bahasa (LLM) dari Google
-llm = ChatGoogleGenerativeAI(model="gemini-2.5-pro", temperature=0)
+llm = ChatGoogleGenerativeAI(model="gemini-2.5-flash", temperature=0)
 
 # --- MANAJEMEN MEMORI PERCAKAPAN ---