CraftGPT: Language model built in Minecraft
Millions of redstone blocks come together in Minecraft to simulate a language model.
A Minecraft creator known as Sammyuri has unveiled CraftGPT, an in-game language model powered entirely by redstone circuits. Built from nearly 439 million blocks, the project turns Minecraft into a working simulation of AI.
CraftGPT was trained on a tiny dataset called TinyChat, containing only 64 tokens—a minuscule amount compared to the billions used by modern large language models. Despite its simplicity, it demonstrates how AI can turn input into structured responses.
The model works by translating player inputs into redstone signals that flow through logic gates and memory circuits. It’s a creative and educational blend of engineering and imagination, showing how fundamental AI concepts can be explored inside a virtual game world.
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