I blogged about this here, including running your benchmark against gpt-5-codex-mini which did the worst example I've seen by far: https://simonwillison.net/202

I blogged about this here, including running your benchmark against gpt-5-codex-mini which did the worst example I've seen by far: https://simonwillison.net/2025/Nov/9/pelican-on-a-bike-raytracer-edition/ https://simonwillison.net/2025/Nov/9/pelican-on-a-bike-raytr... Here's the codex-mini attempt: https://static.simonwillison.net/static/2025/povray-pelican-gpt-5-codex-mini.png https://static.simonwillison.net/static/2025/povray-pelican-...