Karpathy says AI is moving beyond simple prompts as Claude Opus writes 5,500 lines of code to build a procedural 3D ‘Lord of the Rings’ world.

Karpathy says AI is moving beyond simple prompts as Claude Opus writes 5,500 lines of code to build a procedural 3D ‘Lord of the Rings’ world.

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.