Notes on GPT-5.6, which includes some interesting new additions to the API (programmatic tool calling and multi-agent i…
Notes on GPT-5.6, which includes some interesting new additions to the API (programmatic tool calling and multi-agent in particular) - plus 18 pelicans for the 6 reasoning levels and 3 new models: simonwillison.net/2026/Jul/9/g...