Why does people use AI wrapper instead of the AI like OpenAI itself?
(can't find on internet)
Your question doesn't make much sense, probably it would if we reframe it as why don't people use chatgpt instead of some wrapper. Answer is because it is just a simple chat interface and many applications go beyond that.
One good reason is that 99.9% of the world population does not own a computer powerful enough to inference ChatGPT or GPT-4.
Why do people use CRUD database wrappers instead of using databases directly?