Mica v0.1 4B got diamonds in survival Minecraft on its first run. 26 decisions from an empty inventory.

A new 4B decision model named Mica v0.1 4B successfully obtained diamonds in survival Minecraft during its initial run. Starting with an empty inventory in a new world, the model achieved its goal of acquiring a diamond pickaxe after making only 26 decisions. The developer has released the model on Hugging Face and the model code on GitHub, with a Minecraft harness expected soon.

This report details Mica v0.1 4B's first successful run in actual Minecraft, unlike previous models that often operate in simulated environments.