$ tail -f stew
a few weeks after I ran the Claude side of this test, OpenAI shipped GPT-5.6 — three models this time, not four: Sol, Luna, and Terra.
same prompt as before, no changes: a hedgehog playing a violin, SVG only, no reference image. It's a challenging design for an AI to draw in an SVG. Violin's are a complex shape, hedgehogs have a body covered in spines. Playing the violin requires getting the two to align, easy for a person to eyeball and judge.
Nine more hedgehogs, just OpenAI against itself, effort tier by effort tier: the OpenAI gallery →