10th August 2025
the percentage of users using reasoning models each day is significantly increasing; for example, for free users we went from <1% to 7%, and for plus users from 7% to 24%.
— Sam Altman, revealing quite how few people used the old model picker to upgrade from GPT-4o
Recent articles
- Writing about Agentic Engineering Patterns - 23rd February 2026
- Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
- Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026