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The DecoderAugust 3, 2026· 1 min read

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

OpenAI co-founder Andrej Karpathy used AI to transform a paragraph of 'The Lord of the Rings' into a 3D browser scene. This is a demonstration of the capabilities of his AI model, Claude Opus 5.

What happened

Karpathy took a 1-paragraph passage from J.R.R. Tolkien's 'The Lord of the Rings' and used his AI model Claude Opus 5 to generate 5,500 lines of code. This code was then used to create a 3D browser scene based on the passage, featuring characters and environments from Middle-earth.

Why it matters

This experiment showcases the potential of AI to create complex and immersive digital experiences. For businesses, this could mean new opportunities for interactive storytelling, immersive training, or even AI-generated content creation.

The takeaway

While this is an impressive technical achievement, its practical applications for business are still emerging. As AI capabilities continue to evolve, it's worth keeping an eye on developments like this for potential uses in your own operations.

Read the original at The Decoder

Our plain-English take, written from public reporting for operational business owners. Always read the original for full context.

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