Voice and chat assistants for the home share a deceptively hard job: turning messy natural language into precise, structured commands. “Make it cozy in here” has to become a concrete intent plus the right slots — which device, which room, which value.

Domux is an open model from iFlytek that focuses on exactly this problem: command understanding for smart-home assistants, framed as intent parsing and slot filling.

What it is

Task: smart-home command understanding — intent parsing + slot filling

Base model: fine-tuned on google/gemma-4-E2B-it