KAEL ZHANG/AI ENGINEER & BUILDER

I Build AI That Pays For Itself.

17 years shipping software — now AI technical director in healthcare. Writing about AI tools. Five languages, one author.

kael@site — zsh

$ kael latest --lang en --limit 3

→Shiwen Dialogue 046 | AI Didn't Kill Freelancing, Just One-Skill Work

→Hot Tracking 041 | 37,966 Vulnerability Reports, Only 217 Fixed

→Tech Teardown 046 | modern-web-guidance: a Manual for Coding Agents

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Shiwen Dialogue 046 | AI Didn't Kill Freelancing, Just One-Skill Work

OpenAI and Upwork jointly released a freelance research report: Single tasks that can be easily completed by ChatGPT are losing share, while the diversity of jobs that require multiple skills has increased by 45%, and AI-related project budgets have grown. This discussion covers premium integration, new types of work to clean up AI messes, and a conservative interpretation of this report.

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BUILT & SHIPPED

Free Tools, Live Data

No signup, no paywall — utilities I built and run myself. More coming.

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Codex Reset Tracker

Know OpenAI Codex & ChatGPT usage resets first: live announcements, monthly stats, average intervals — no more refreshing X.

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What to Eat — Fitness Meal Picker

One-click healthy meals for fitness & fat-loss eaters: 64 high-protein dishes across 8 categories, budget & nutrition filters, custom menu and local pick history — free, no signup.

5 languagesFreeNo signupLocal data
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AI Model Compare 2026

12 top AI models on one comparison page: GPT, Gemini, Claude, DeepSeek, Grok, Kimi, GLM & more — subscription & API prices, context windows and capability matrix, kept current.

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Top AI Tools — Traffic Leaderboard

Monthly traffic ranking of the most-visited AI tools and websites: ChatGPT, Gemini, Claude, DeepSeek and more — market share, growth trends and category breakdowns, updated monthly.

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AI Detector Compare 2026

Top 15 AI detectors ranked by real monthly traffic and tested for accuracy & false positives: QuillBot, GPTZero, ZeroGPT, Originality.ai and more — free options and real limitations, compared honestly.

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World Clock Hub

Live time, weather, sunrise & sunset, air quality, exchange rates and the next public holiday for 190+ cities worldwide — one glass card per city, free, no signup.

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Local LLM VRAM Calculator

How much VRAM does your local LLM actually need? Instant estimates for VRAM, tokens/sec and cost per million tokens on RTX 4090, 3090, 5090 and Mac Studio — free, no signup.

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Shiwen Dialogue 045 | All Cry AI Bubble, Money Flows to NVIDIA

Matteo Raso’s article 'I’m Not Convinced the AI Bubble Exists' topped the HN hot list (over 500▲, nearly a thousand comments): The bubble has become a echo chamber, while money flows to NVIDIA. This dialogue discusses deviations in words and actions, counterarguments in the comment section on the amortization period and valuation, and the career decision-making framework for ordinary tech professionals.

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Kael Zhang (永亮) — AI Technical Director

ABOUT

Who Is Kael Zhang?

Just an engineer building AI that pays for itself.

Hey, I’m Kael — AI technical director in healthcare. 17 years of engineering, 20+ products shipped from zero, 100k+ users on my core products. I write three columns — Shiwen Talks, Tech Teardown, Hot Topics — every day, in five languages.

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