Jeremy Dai

Jeremy Dai (@daifufu)

AI Engineer at KAWO. I build Agent systems in production, then figure out why they don't work as expected.

Writing

I Was Accidentally Donating to Cloud Providers

I built a smart tool-filtering system for my AI agent to cut costs. Turns out I was silently nuking my KV cache on every request. Here's what Claude Code does instead.

4 min read
AgentLLMEngineering

The End of the Six-Figure Engineer?

Tech companies spent two decades selling Wall Street on the asset-light story. Now they're buying hundreds of billions in GPU infrastructure — and the math has to balance somewhere.

6 min read
AICareer

The End of the AI Pipeline Era

Why the shift from hardcoded workflows to sandboxed agents isn't just an architectural upgrade — it's a fundamental change in how we think about building AI systems.

8 min read
AgentAIEngineering

AI Search Traffic Is Up 527%. Here's How to Get Cited.

Traditional SEO is losing ground as AI answers replace search clicks. This is a practical guide to GEO — making ChatGPT, Perplexity, and Claude actually cite your content.

8 min read
AIMarketing

Why AI Is Making You More Exhausted, Not Less

A Harvard study tracked 200 tech workers for 8 months and found AI made them more burned out, not less. The root cause isn't AI itself — it's that AI rewrote the cost structure of work, but our decision-making hasn't caught up.

7 min read
AIProductivityCareer

Why Your RAG Can't Find What You're Looking For

A brand manager couldn't find an article that was definitely in the database. The problem wasn't a bug — it was an economics problem hiding inside a technical one.

8 min read
RAGAIEngineering

LLM Training Isn't Alchemy. It's a Three-Stage Rocket.

Most people think training a large language model means feeding it data, tuning hyperparameters, and hoping for the best. The reality is an entirely different class of engineering — and the stage everyone obsesses over matters the least.

6 min read
LLMAI
Home
About
Projects
Blog