Update llm.py

llm.py

@@ -16,7 +16,7 @@ class OpenaiAPI:
     def get_response(self, prompt) -> str:
         try:
             completion = self.client.chat.completions.create(
-                model="GPT-4o",  # e.g., gpt-35-instant
+                model="gpt-4o",  # e.g., gpt-35-instant
                 messages=prompt,
                 temperature=0,
             )