diff --git a/foodie_utils.py b/foodie_utils.py
index 46f8eb2..5c399d5 100644
--- a/foodie_utils.py
+++ b/foodie_utils.py
@@ -136,7 +136,7 @@ def generate_article_tweet(author, post, persona):
     )
     
     response = openai.chat.completions.create(
-        model="gpt-4o",
+        model=SUMMARY_MODEL,
         messages=[
             {"role": "system", "content": "You are a social media expert crafting engaging tweets."},
             {"role": "user", "content": prompt}