Chen AI Psychologist

I am in my early 40s today and life hits different today compared to a decade ago. Optimistic still but more realistic in many ways. This blog post is touching a topic that I have been less eager to talk about publicly. However, the impact it has had on me is undeniable so I will talk about it. Being someone who build for a living, I’m used to learning new things to add perspectives at the very least. When the AI boom happened with ChatGPT 3.5, I shrugged it off as buzzword, nothing more. The model replied my message but that was it. Fast forward to today, I don’t think I can go back to not having AI/LLM in my daily life. ...

September 10, 2025 · Batista Harahap

SleekChat: Research to Production in 1 Week

This is a writing about getting things done more than it is a showcase of a new business and the tech empowering it. Within this, an attempt to explain the why will also be written. But before all that, I’m going to try to look cool first so get ready for some cringe moments. Vibe Coding Hell yeah! But not in a way most will vibe with. Being a backend guy, giving up control is not my nature although the web frontend is vibed. As with any experiments, it started with an idea then proof of concept, hit walls then pushed through. Here are the core tech stack to build SleekChat: ...

April 25, 2025 · Batista Harahap