diff --git a/flowchart/tasks.py b/flowchart/tasks.py
index dedbb02..a209f94 100644
--- a/flowchart/tasks.py
+++ b/flowchart/tasks.py
@@ -63,7 +63,7 @@ def evaluate_flowchart_task(submission_id):
                 {"role": "system", "content": system_prompt},
                 {"role": "user", "content": user_prompt}
             ],
-            temperature=0.3,
+            temperature=0,
             extra_body={"thinking": {"type": "disabled"}},
         )