Update utils.py

utils.py

@@ -18,7 +18,7 @@ def generate_script(prompt,video_length,creativity,api_key):
 
     
     llm = ChatOpenAI(temperature=creativity,openai_api_key=api_key,
-            model_name='gpt-3.5-0125') 
+            model_name='gpt-3.5-turbo-0125') 
     
     
     title_chain = LLMChain(llm=llm, prompt=title_template, verbose=True)