Update utils.py

utils.py

@@ -35,6 +35,12 @@ def get_flan_t5_model():
         "summarization", model="google/flan-t5-small", tokenizer="google/flan-t5-small"
     )
 
+def get_gptj():
+    return pipeline(
+        "summarization", model="EleutherAI/gpt-j-6B", tokenizer="EleutherAI/gpt-j-6B"
+    )
+    
+
 
 @st.experimental_singleton
 def get_mpnet_embedding_model():