diff --git a/routes/llm.py b/routes/llm.py
index df642e1..658460e 100644
--- a/routes/llm.py
+++ b/routes/llm.py
@@ -8,7 +8,7 @@ llm = Blueprint('llm', __name__)
 
 def _call_llm(action, natural_query, code, runtime, logs):
     api_key = os.environ.get("GEMINI_API_KEY")
-    model = os.environ.get("GEMINI_MODEL", "gemini-2.0-flash")
+    model = os.environ.get("GEMINI_MODEL", "gemini-2.5-flash-lite")
     
     if not api_key:
         return None, "GEMINI_API_KEY not set."