Skip to main content

Seriously playing with AI —
showing you how

First-hand AI tool tests and tips
to work smarter and live better

Penchan 🐧

Official OpenClaw 🦞 Contributor · CS Master's student 🎓
A Taiwan-based AI educator — teaching you to go from "just typing prompts at ChatGPT" to "actually getting AI to do the work"

National Tsing Hua University · National Chung Hsing University · National Taipei University of Technology · Soochow University

Meet Penchan →
Penchan scrolling on a phone 🐧
AI LAB

Popular AI Tool Tests & Workflow Guides

Explore AI Lab →
Explore AI Lab →
RECENT PROJECTS

Penchan's Recent AI Projects

View Projects →
AI Agent Memory System (2026) | Complete Guide to Short-Term and Long-Term Memory

AI Agent Memory System (2026) | Complete Guide to Short-Term and Long-Term Memory

AI Lab 5/8

Learn why AI Agents forget previous chats, how short-term and long-term memory differ, and where vector databases, RAG, Dify, and Claude Code fit.
AI Lab 5/8

An AI Assistant That Grows With You: How to Make It More Like You Without Letting It Become Someone Else Next Tuesday

A three-month record of building a personal AI assistant that evolves over time, with failed designs, five surviving abstractions, and the open reference architecture.
AI Lab 4/1

How Should an AI Assistant's Memory Be Designed? Starting from the Claude Code Source Leak

A field note on AI memory architecture after rebuilding an assistant overnight: where to place knowledge so the next run naturally reads it.
AI Lab 3/29

Multi-Agent Collaboration Guide: Stop Your AI Team from Working in Silos

Learn five AI agent orchestration patterns for communication, work division, and failure handling, from file blackboards to circuit breakers.
View Projects →
AI BEGINNER

New to AI?
Start with these 👋

From practical ChatGPT tips to AI presentations and image generation —
curated articles you can apply to your work and life right away 😄

Beginner Guides →
ChatGPT Free Plan Guide (2026) | What Can You Do Without Paying? All Limits Explained

ChatGPT Free Plan Guide (2026) | What Can You Do Without Paying? All Limits Explained

 Gamma vs NotebookLM: Which AI Slide Tool Fits You?

Gamma vs NotebookLM: Which AI Slide Tool Fits You?

 AI Image Prompt Techniques 2026 | Chinese Prompts for Precise Gemini and Midjourney Image Generation

AI Image Prompt Techniques 2026 | Chinese Prompts for Precise Gemini and Midjourney Image Generation
Beginner Guides →
AI RESEARCH & ANALYSIS

AI Industry Analysis

Read the AI Industry Reports →
Illustration of a leaked internal memo: a Google co-founder admits Gemini is trailing Claude in AI coding

Even Google Admits It's Behind Claude: The Co-Founder's Leaked Memo

Market View 5/31

In April 2026, a leaked internal memo revealed that Google co-founder Sergey Brin admitted Gemini was trailing Anthropic's Claude in AI coding, and ordered an elite team to close the gap. This piece unpacks what the memo said, Google's counterpunch, and how to read this rare bout of self-criticism.
Market View 5/31

How Many Versions of Gemini Are There? Flash, Pro, Omni, and Flash-Lite Explained

Gemini is a whole lineup of Google models, each built for a different job. This piece walks you through Flash, Pro, Flash-Lite, and Omni from four angles—speed, cost, long context, and multimodality—so you can see where each one sits and how to pick.
Market View 5/31

Does Gemini or ChatGPT Have More Users? The Question Hides Three Traps

Google says Gemini has 900 million users, OpenAI says ChatGPT has 900 million too, but these two '900 millions' simply can't be compared head-to-head. This piece teaches you to see through the metric traps behind AI platform user numbers, without declaring a winner for either side.
Market View 5/31

Where Is the $190 Billion in CapEx Going? Google's AI Gamble and the Market's Doubts

Google's 2026 capital expenditure could reach $190 billion, six times its 2022 level. Where the money goes, why the market worries about free cash flow, and what definitional change sits behind the surge in cloud bookings — this is a purely informational rundown, with no buy or sell calls.
Read the AI Industry Reports →