- ChatGPT Plus is crazy expensive, and the free tier is often down. I found it especially frustrating to not get access to my chat history when ChatGPT's load was high. Since alternative clients go through the API, their are exempt from load balancing.
- A native client is lightweight and doesn't rely on web technologies. This is a matter of personal taste, but I like the look and feel of native apps better than web pages.
- Current native clients are both very new and ill-fitted to my needs (I really like the LaTeX rendering feature and I want to be able to browse my chat history)