An Opinionated Guide to Using AI Right Now
What AI to use in late 2025
Newsletters 260 stories
Understanding the 4 Main Approaches to LLM Evaluation (From Scratch)
Multiple-Choice Benchmarks, Verifiers, Leaderboards, and LLM Judges with Code Examples
Real AI Agents and Real Work
The race between human-centered work and infinite PowerPoints
On Working with Wizards
Verifying magic on the jagged frontier
A guide to understanding AI as normal technology
And a big change for this newsletter
Understanding and Implementing Qwen3 From Scratch
A Detailed Look at One of the Leading Open-Source LLMs
Mass Intelligence
From GPT-5 to nano banana: everyone is getting access to powerful AI
From GPT-2 to gpt-oss: Analyzing the Architectural Advances
And How They Stack Up Against Qwen3
GPT-5: It Just Does Stuff
Putting the AI in Charge
The Bitter Lesson versus The Garbage Can
Does process matter? We are about to find out.
The Big LLM Architecture Comparison
From DeepSeek-V3 to Kimi K2: A Look At Modern LLM Architecture Design
Could AI slow science?
Confronting the production-progress paradox
Against "Brain Damage"
AI can help, or hurt, our thinking
LLM Research Papers: The 2025 List (January to June)
A topic-organized collection of 200+ LLM research papers from 2025
Using AI Right Now: A Quick Guide
Which AIs to use, and how to use them
Understanding and Coding the KV Cache in LLMs from Scratch
KV caches are one of the most critical techniques for efficient inference in LLMs in production.
AGI Is Not Multimodal
"In projecting language back as the model for thought, we lose sight of the tacit embodied understanding that undergirds our intelligence." –Terry WinogradThe recent successes of…
Coding LLMs from the Ground Up: A Complete Course
Why build LLMs from scratch? It's probably the best and most efficient way to learn how LLMs really work. Plus, many readers have told me they…
AGI is not a milestone
There is no capability threshold that will lead to sudden impacts
The State of Reinforcement Learning for LLM Reasoning
Understanding GRPO and New Insights from Reasoning Model Papers
AI as Normal Technology
A new paper that we will expand into our next book
First Look at Reasoning From Scratch: Chapter 1
Welcome to the next stage of large language models (LLMs): reasoning. LLMs have transformed how we process and generate text, but their success has been largely…
Is AI progress slowing down?
Making sense of recent technology trends and claims
We Looked at 78 Election Deepfakes. Political Misinformation is not an AI Problem.
Technology Isn’t the Problem—or the Solution.