Unicorn, pelican, Middle-earth: OpenAI co-founder Karpathy is looking for the next AI vibe test

The Decoder The Decoder —

https://the-decoder.com/wp-content/uploads/2026/08/Karpathy-LOTR-Opus-5-title.png" style="height: auto; margin-bottom: 10px;" width="2253" />


One paragraph of "Lord of the Rings" in, 5,500 lines of code out.

Andrej Karpathy had Claude Opus 5 turn Tolkien's opening into a 3D browser scene.


The article https://the-decoder.com/unicorn-pelican-middle-earth-openai-co-founder-karpathy-is-looking-for-the-next-ai-vibe-test/">Unicorn, pelican, Middle-earth: OpenAI co-founder Karpathy is looking for the next AI vibe test appeared first on https://the-decoder.com">The Decoder.

Read full article at The Decoder →