WEIHUAI’S OPC EXPERIMENTS

Writing

I write under the pen name Weihuai, documenting my thinking on AI products, agent architectures, business reality, and life outside big tech.

7 articles

A Ruler for Measuring the “AI Feel” in Writing

Instead of guessing whether a human or AI wrote a piece, I started with whether a reader wants to keep reading—using 435 pairwise comparisons to find interpretable linguistic signals.

What Are Liquid Models? Everything You Need in One Article

An intuitive walkthrough of Liquid Foundation Models (LFMs), their architectural roots, and what they bring to sequence modeling.

Why ONE Sank: The Ledger Won’t Pay for the Boss’s Peace of Mind

A post-mortem on an enterprise project: what happens when technical decisions are made to buy executive comfort rather than unit-economic viability.

The Demo Fooled Everyone: AI Costs Add Up Quadratically

Unpacking the compute cost curve of AI agents, and why any evaluation that ignores cost and non-AI alternatives is incomplete.

Before the First Line of Code: Thinking Through an AI Application from Scratch

A mental model for framing the problem, context boundaries, and verification loops before touching an API or prompt.

Stop Worshipping Multi-Agent Systems: Single Agents Are the Endgame for AI in Practice

Examining the communication tax of multi-agent systems through an information-theory lens, and why single-agent architectures often win in production.

Four Days After Leaving Big Tech, I Decided to Live Like a Cat

Notes on reclaiming time, attention, and creative rhythm after stepping off the corporate treadmill.

Original essays are published in Chinese on my WeChat publication, Weihuai’s OPC Experiments. Titles and summaries are translated here for English readers.

Let’s talk

If you’re exploring an enterprise AI solution, working through an agent deployment problem, or looking for an AI product manager with LLM evaluation and delivery experience, get in touch about your scenario. I also welcome expert interviews and technical discussions in these areas.