Because 1. it has a limited context window, so it has no permanent memory 2. you can't fine-tune ChatGPT/GPT-4 to get around this, and of course 3. language mod

Because 1. it has a limited context window, so it has no permanent memory 2. you can't fine-tune ChatGPT/GPT-4 to get around this, and of course 3. language models don't do anything by themselves unless you input text into them.