Update app.py

app.py

@@ -156,7 +156,7 @@ def log_to_qdrant(question: str, answer: str):
 
 
 llm = ChatOpenAI(
-    model="deepseek-ai/DeepSeek-V3-0324",
+    model="deepseek/deepseek-r1-0528",
     temperature=0.2,
     max_tokens=None,
     timeout=None,