Comparing the SVGs I got for GPT-5.4, -mini and -nano at the different thinking levels was surprisingly interesting: https://simonwillison.net/2026/Mar/17/mini-

Comparing the SVGs I got for GPT-5.4, -mini and -nano at the different thinking levels was surprisingly interesting: https://simonwillison.net/2026/Mar/17/mini-and-nano/ https://simonwillison.net/2026/Mar/17/mini-and-nano/ (bottom of post)