The AI Engineer

The AI Engineer

Home
Exclusive AI Engineer Communi…
About
How To Build AI RAG Agents With The New Gemini File Tool.
Google just made RAG stupidly simple.
Nov 18 • 
Owain Lewis
Build Production AI Agents With LiteLLM (In 70 Lines Of Code)
One interface for every AI provider. Switch between OpenAI, Anthropic, Google in seconds. No refactoring.
Nov 6 • 
Owain Lewis

October 2025

How I’m Using Claude Skills To Become 10x More Productive
The new Claude feature that's saving me hours every single day.
Oct 22 • 
Owain Lewis
The AI Engineering Roadmap I’d Follow If I Started Today
I’d skip 80% of what most people waste time on.
Oct 13 • 
Owain Lewis

September 2025

You Don't Need AI Agent Frameworks
Building an on-call AI workflow using AI design patterns
Sep 12 • 
Owain Lewis

August 2025

How I Made My AI Application 3x Faster Using AsyncOpenAI.
How to speed up your slow AI applications.
Aug 15 • 
Owain Lewis
Your AI Project Is Probably Doomed (Here's Why)
Most AI projects struggle to demonstrate real business value and ROI.
Aug 6 • 
Owain Lewis

July 2025

AI Agents Explained With Functional Programming
Why an AI agent is a trampoline
Jul 4 • 
Owain Lewis

June 2025

Claude Code Is Changing Software Engineering
8 rules for software engineers embracing AI
Jun 15 • 
Owain Lewis
© 2025 Owain Lewis
Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture