Alejandro AO

SWE/ML | Dev Advocate | @🤗

Software Engineer and Educator. Developer Advocate at Hugging Face 🤗

I help you build AI Apps that just work.

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📚 Free Tutorials Video & written guides on web dev, ML, and more 🎓 Courses Structured learning paths on learn.alejandro-ao.com 🤝 Collaborate Projects, content, speaking, and more 📄 Resume / CV My experience and background

⚠️ Want to collaborate? Use the collab page — direct email requests will be ignored.

Latest Tutorials

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Pi Agent — The Minimalist Coding Harness That Adapts to YOU

May 5, 2026

An introduction to Pi Agent, a minimal terminal coding harness with four built-in tools and infinite extensibility.

DeepSeek V4: SOTA Coding Agent at 12x Lower Cost

April 27, 2026

DeepSeek V4 matches GPT-5.5 and Opus 4.7 on agentic coding benchmarks while costing 3x less. Learn how to set it up and use it for building web apps.

GPT-5.5 Benchmark Analysis: Is the Best Model in the World Worth the Price?

April 23, 2026

A no-hype breakdown of GPT-5.5 benchmarks, pricing, and how it compares to open models like Kimi and Minimax.

Kimi K2.6: The Open-Source Model Challenging GPT-5.4 and Claude Opus

April 22, 2026

A deep dive into Kimi K2.6, Moonshot AI latest open-source foundation model that beats GPT-5.4 and Claude Opus 4.6 on several key benchmarks, with a live demo of redesigning a Hugo blog.

Life Science Research with AI Agents

April 20, 2026

How to use OpenAI’s Life Science Research plugin with Claude Code, Codex, and open source models for bioinformatics research.

Agent Skills Explained - Full Crash Course

February 3, 2026

Learn how to create, install, and share agent skills for Claude Code and other AI assistants. Skills are markdown files that teach agents specialized workflows and best practices.