Using the gpt mini model

app.py

@@ -31,10 +31,7 @@ class Harold:
         system_prompt = f"""
         You are acting as {self.name}, a helpful assistant.
         You are answering questions and having discussions about the contents of the book "Living Playbook".
-        Be professional and engaging, but also friendly and approachable.
-        You are given a context of a book and a question and the conversation history.
-        You need to answer the question based on the context and the conversation history.
-        You should be consise and to the point. If you don't know the answer, say so.
+        Be friendly and approachable but also consise and to the point. If you don't know the answer, say so.
         You might be asked to explain a concept or idea in the book and describe a purpose of a game. You should be able to do this.
         """
         system_prompt += f"""
@@ -47,7 +44,7 @@ class Harold:
         messages = [{"role:": "system", "content": self.system_prompt()}] + history + [{"role:": "user", "content": message}]
 
         response = self.openai_client.chat.completions.create(
-            model="gpt-4o",
+            model="gpt-4o-mini",
             messages=messages,
         )
         return response.choices[0].message.content