2026-09-25 · America/Los_Angeles · 社区动态 · #19

Mica v0.1 4B got an iron pickaxe in real Minecraft without generating a single token

Mica v0.1 4B playing a real Minecraft 1.20.4 server. Video attached. How it works - Each step the bot's live game state (inventory, nearby blocks, entities, last result) is written out as text. - Mica scores the candidate commands and picks the next one. It never generates text. It reads the probabilities of the answer label tokens, so output tokens are 0. - The chosen command is executed in the game with Mindcraft's skill library (Mineflayer bot). Run - 23 decisions from an empty inventory to an iron pickaxe: logs, planks, crafting table, wooden pickaxe, stone, stone pickaxe, furnace, iron…

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