Brennan
builds things

Founder, CEO, advisor and speaker.
Customizing your experience

Recent Posts

Jun 2025

Coding in 2025
You. Are. Not. Using. Enough. Compute.
How I Made My Blog Remember You

May 2025

Testing 4o images from the API

Apr 2025

OpenAI vs. Anthropic vs. Google AI
Seeing UV: Detecting Intelligence Beyond Ours
o3 & o4-mini: OpenAI's latest models
GPT-4.1: A true x.1 Release
If AI-2027 Is Right: What Should We Do?
How I Built a Fully-Automated Agent to Promote My Content on 𝕏 and TikTok

Mar 2025

GPT-4o finally gets it's multi-modal moment
A New “Time Horizon” Metric and Doubling Trends
Blogging in 2025
Does Intelligence Make AI Lean Left?
GPT-4.5 is actually a big deal

Feb 2025

Emergent Misalignment: The Hidden Dangers of Narrow Fine-Tuning
Blueprints for the Next-Gen Code Agents
Notes from Deep Dive into LLMs
o1 to o3 - A Bitter Lesson in Coding
What does Claude's usage tell us?
Linear intelligence, superlinear impact?
User’s Attention is All You Need

Jan 2025

Building The Brain