Randy Xian
Hong Kong · 18
i'm Randy Xian. i'm 18, based in Hong Kong, and focused on AI research. mostly i'm trying to figure out what AI can actually do — where the edges are, what breaks, what's possible. vibe coding is how i ship. the apps are proof-of-work. university is somewhere in the background.
right now
going a layer deeper, into the model itself, starting with pretraining. before this: agent evaluation, measuring whether coding agents make a codebase better or worse over time.
experience
previously at Kimi (Moonshot AI), and a contributor to Kimi K3. now back to building independently, testing ideas, and shipping things people can actually use.
into
scaling laws · agent harnesses · pretraining · test-time training · inference-time compute · recursive self-improvement (RSI) · long-horizon agent evaluation · AI research infrastructure
writing
building
before research, i built AI apps and shipped them to real users. see what i made, and how i thought it through →
things i actually believe
- —ship first, refine later — a working v1 beats a perfect spec
- —age is not a credential. output is.
- —AI is collapsing the gap between idea and product. use it.
- —good products are discovered, not invented — find the real pain
- —building in public is the fastest way to learn
- —taste is a skill. you can train it.
i reply to everyone. send me a message, or find me on GitHub.