GPT‑5-Codex and upgrades to Codex

Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide

Claude's new Code Interpreter review

Google's new AI mode is good, actually

GPT-5 Thinking in ChatGPT (a.k.a. Research Goblin) is shockingly good at search

An LLM is a lossy encyclopedia

My Lethal Trifecta talk at the Bay Area AI Security Meetup

GPT-5: Key characteristics, pricing and system card

Teacher AI use is already out of control and it's not ok

The surprise deprecation of GPT-4o for ChatGPT consumers