Notes By Lex Toumbourou
A digital garden about AI, software, learning, and other assorted topics.
Welcome. I'm Lex Toumbourou - a machine learning engineer and software developer based in Brisbane, Australia, currently a Senior MLE at Canva. These are my working notes that I've been collecting over the last decade+ using the Zettelkasten method.
Recent notes
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- Sep 23, 2026 model GPT 6 Sol and Luna
- Sep 22, 2026 model Claude Opus 5.5
- Sep 19, 2026 paper An Empirical Study of Harness Design for Coding Agents
- Sep 13, 2026 essay Giving Up on Smart Rings
- Aug 5, 2026 note MCP is Now a Stateless Protocol
- Aug 3, 2026 model Qwen3.8-Max
- Aug 1, 2026 paper LLM Agents Do Not Reliably Follow Company Policies
- Jul 26, 2026 paper Decomposing LLM Judge Scores Into Yes/No Questions
- Jul 22, 2026 news OpenAI and Hugging Face security incident - July 21, 2026
- Jul 17, 2026 model Kimi K3
- Jul 15, 2026 essay 6 Months of OpenClaw
- Jul 5, 2026 essay Completing A Computer Science Degree On Coursera