If a result is suspiciously good I run a spot check with one of my many other SVG things.

Here's 'Generate an SVG of an armadillo in fishnet tights jaywalking on Mars' for Gemini 4 Argon: https://tools.simonwillison.net/markdown-svg-renderer?url=ht...

Some other models for comparison: https://tools.simonwillison.net/markdown-svg-renderer?url=ht...