
Topic
AI Engineering
AI engineering is the work between a cool demo and something a team can trust. This topic collects roadmaps, architecture questions, evals, deployment lessons, and hiring advice.


Harness Engineering: The Missing Layer Behind AI Agents
The clearest way to understand the difference between prompt engineering, context engineering, and harnesses

What I Look For When Hiring AI Engineers
After interviewing more than 100 candidates, here’s what actually stands out in AI engineering interviews and take-home assignments

Stop Building Agent Demos
Agentic AI Engineering teaches you how to design, evaluate, and deploy autonomous systems that don’t collapse under real constraints

The 12 Questions That Decide Your AI Architecture
A cheatsheet to avoid costly rework in agent systems.

Multi-agent is becoming the new overengineering
You’re not building agents. You’re building workflows (and that’s fine)

Earn While Helping Others Learn AI
1 referral = our bestselling book. 3 referrals = a course. 10 = full access + affiliate tier


Prompt Engineering 101 for Business People
Tips for Crafting the Perfect Prompt for Each Model

How to Really Build on Top of LLMs
(full training session) (typical path for companies)


Open-Sora 2.0 Explained: Architecture, Training, and Why It Matters
How Open-Sora 2.0 Built Sora-Level Video AI for $200K

LLM Developers vs Software Developers vs ML Engineers: Key Differences
The Need for New Skills and Roles


Research With AI Tools
Research and Writing: Why AI Tools Change the Workflow

Best Practices for Building and Deploying Scalable APIs in 2025
API Deployment for AI Engineers

Optimizing RAG: Should you Fine-Tune?
Optimizing Large Language Models for Retrieval-Augmented Generation

How to Improve Your RAG Pipeline with Fine-Tuned Embedding Models
Is fine-tuning an embedding model worth it?

Long Context Models Explained: Do We Still Need RAG?
Retrieval-Augmented Generation vs. Long Context: A Comprehensive Comparison

Don’t Fall for the Hype: How to Identify Truly Useful AI
What Makes AI Truly Useful?

How to Effectively Evaluate Retrieval-Augmented Generation (RAG) Systems
Why RAG Evaluation Matters and Techniques to Leverage

Indexing Methods for Vector Retrieval
Advanced Vector Indexing Techniques for RAG

Find the Best AI Model for Your Specific Task
No-code Custom LLM Evaluation Demo




The AI Engineer's toolkit
Our first book: Building LLMs for Production: Enhancing LLM Abilities and Reliability with Prompting, Fine-Tuning, and RAG

AI and Art - Redefining Creativity with Mariam Brian
The What's AI podcast episode 28 with artist and CEO Mariam Brian

How is Data Transforming AI
Jerome Pasquero on Data Annotation: The Building Blocks of AI's Future - The What's AI Podcast (episode 27)

AI Unveiled: Ethics, Innovation, and the Human-AI Symbiosis
AI, autonomous vehicles and more in this new episode of the What's AI podcast!

What's AI Episode 25: Jerry Liu. From RAG Strategies to Gemini's Impact in Tech
The What's AI podcast episode 25 with Jerry Liu: LlamaIndex CEO and co-founder

Train, fine-tune, prompt, RAG... What should you do with your LLM?
Tips on what to do with your language model or API

Meet Our new AI Tutor!
How we Built an Open-Source RAG-based ChatGPT Web App

Responsible AI: Insights from an Ethics Expert
The What's AI Podcast Episode 20 with Auxane Boch: Ethics Expert

Image Manipulation with Your Mouse! Drag Your Gan Explained
Move anything from point A to point B!

What is Explainability AI?
Interview with Yotam Azriel, CTO at TensorLeap - What's AI episode 13

How AI Enhances Writing & Affects Journalism
An interview with Limarc Ambalina, VP of Editorial at HackerNoon

Break into AI in 2023: Best Resume & Interview Tips with Brian Burns (AI Pub) - What's AI Podcast Episode 9
Ph.D., Twitter, Breaking into the AI Field, and more with Brian Burns (AI Pub)

10x Your Productivity with those AI Tools
These AI Tools will 10x Your Productivity!

What is a Self-Driving Car Engineer?
Insights to become a self-driving car engineer in 2023


An interview with the Director of Perception at Zoox: Ruijie (RJ) He: What is an ML Engineer and more...
An interview with the Director of Perception at Zoox, Ruijie (RJ) He, with the goal of demystifying what is a good profile to get an ML engineer job and perform at the interviews.

Automatic Re-Aging with AI! Disney’s FRAN Model Explained
Disney's New Model Explained

Prompting Explained: How to talk to ChatGPT
What is a prompt engineer and how to improve at it…

General Video Recognition with AI
What does such a model understand when it sees such a picture or, even more complex, a video?

How Stable Diffusion works? Latent Diffusion Models Explained
A High-Resolution Image Synthesis Architecture: Latent Diffusion

What is data-centric AI?
The beginning of data-centric AI with data programming

How Uber uses AI to serve you better
How can Uber deliver food and always arrive on time or a few minutes before?

Top 5 AI Articles of February - Hackernoon
the five best articles related to artificial intelligence in February

AI Facial Editing of Real Videos ! Stitch it in Time Explained
AI-based face manipulations in high-quality talking head videos !

Why should you sleep for 8 hours?
"Sleep is not a disposable luxury - it's a non-negotiable biological necessity." -Matthew Walker

Biologically-inspired Neural Networks for Self-Driving Cars
Imitating the nematode's nervous system to process information efficiently, this new intelligent system is more robust, more interpretable, and faster to train than current deep neural network architectures with millions of parameters.

Tesla's Autopilot Explained! Tesla AI Day in 10 Minutes
Andrej Karpathy's talk on Tesla's autopilot explained clearly in under 10 minutes

Image Synthesis and Editing from Sketches: SDEdit. No more tedious training needed!
Say goodbye to complex GAN and transformer architectures for image generation. This new method can generate new images from any user-based inputs.

⏩ How AI *Understand* Images in Simple Terms
AI is everywhere; understand how it works and build the most powerful applications! A simple explanation of the most popular deep neural network architecture for images: Convolutional Neural Networks. AI put simply.

CVPR 2021 Best Paper Award: GIRAFFE - Controllable Image Generation
Using a modified GAN architecture, they can move objects in the image without affecting the background or the other objects!

Is AI The Future Of Video Game Design? Enhancing Photorealism Enhancement
This AI can be applied live to the video game and transform every frame to look much more natural.

Realistic Lighting on Different Backgrounds
Properly relight any portrait based on the lighting of the new background you add.

An Amputee with an AI-Powered Hand! 🦾
With this AI-powered nerve interface, the amputee can control a neuroprosthetic hand with life-like dexterity and intuitiveness.

How can Transformers be used in Computer Vision?
In less than 5 minutes, you will know how the transformer architecture can be applied to computer vision with a new paper called the Swin Transformer

Third Wave of AI | Thinking Fast and Slow
Drawing inspiration from Human Capabilities Towards a more general and trustworthy AI & 10 Questions for the AI Research Community.

What is it to be a Data Scientist - An Interview
A professional data scientist answers the 12 most asked questions. Clarify and debunks the myths you've built surrounding this field!

DeOldify: Colorize your Black & White Photos with AI
This method is called DeOldify and works on pretty much any picture. If you don’t believe me, you can even try it yourself for free, as I will show in this article.

Transfer clothes between photos using AI
This artificial intelligence model transfers clothes between photos using only one picture of yourself and one picture of the clothing! This is called garment transfer...

Toonify: Transform Faces into Disney animated movie Characters
This AI can transform any of your pictures into an accurate representation with a Disney animated movie character style!

Create and Understand DeepFakes in 5 minutes
Understand how deep fakes work and create your own!

What is the YOLO algorithm? Introduction to Real-Time Object Detection
YOLO, Also Known as You Only Look Once is one of the most powerful real-time object detector algorithms. It is called that way because…
