Update presentation_api.py

presentation_api.py

@@ -44,7 +44,7 @@ def create_slide(slideno: int, content: str) -> str:
     return f"slide {slideno} created"
 
 memory = MemorySaver()
-model = ChatOpenAI(model="gpt-4-turbo-preview", streaming=True)
+model = ChatOpenAI(model="gpt-4o-mini", streaming=True)
 prompt = ChatPromptTemplate.from_messages([
     ("system", """You are a Presentation Creation Assistant. Your task is to help users create effective presentations.
     Follow these steps: