Create my own gpt for my personal assistant

from openai import OpenAI

client = OpenAI(api_key=“YOUR_API_KEY”)

response = client.responses.create(
model=“gpt-4o”,
messages=[
{“role”: “system”, “content”: “You are a helpful support assistant for X product.”},
{“role”: “user”, “content”: “How do I reset my password?”}
],
max_output_tokens=400
)

print(response.output_text)