Wang Jun's Blog

AI insights, Vibe Coding tips, and tech trends 📚

GPT-5 Analysis
Tech Insights

GPT-5 vs Claude 4: What Actually Changed

A comprehensive comparison of the latest AI models and their real-world implications...

Dec 12, 2025

AI Course Notes
Video Notes

Stanford CS229 Machine Learning Notes

Key takeaways from Andrew Ng's legendary machine learning course...

Dec 8, 2025

Cursor Tutorial
Tutorials

Mastering Cursor: 10 Tips for Faster Development

Learn how to leverage Cursor IDE for maximum productivity...

Dec 1, 2025

MetaGPT Case Study
Case Studies

How We Achieved ProductHunt #1 with MetaGPT

Behind the scenes of MetaGPT's successful launch strategy...

Nov 25, 2025

AI Agents
Tech Insights

The Rise of AI Agents: 2025 Landscape

Exploring the evolution and future of autonomous AI agents...

Nov 20, 2025

LLM Training
Video Notes

Andrej Karpathy's LLM Training Deep Dive

Notes from the comprehensive guide to training large language models...

Nov 15, 2025