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CraftGPT: Minecraft Developer Creates Redstone Chatbot Marvel

9/30/2025

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Summary

Story summary

Sammyuri, a Minecraft developer, created CraftGPT, a GPT-style chatbot using redstone that covers 439 million blocks.
CraftGPT has 5,087,280 parameters and a 64-token context, with some responses over two hours.
CraftGPT was built without mods or command blocks and demonstrates redstone’s potential for complex computations.
The project took months and uses 8-bit quantization for most weights, yet remains impractical.

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Story summary

Sammyuri, a Minecraft developer, created CraftGPT, a GPT-style chatbot using redstone that covers 439 million blocks.
CraftGPT has 5,087,280 parameters and a 64-token context, with some responses over two hours.
CraftGPT was built without mods or command blocks and demonstrates redstone’s potential for complex computations.
The project took months and uses 8-bit quantization for most weights, yet remains impractical.