go2-ft-04

A fine-tune of Google's Gemma 4 E2B IT that controls a Unitree Go2 robot dog through tool calls: it walks, turns, sits, does tricks, looks around and finds objects when you ask in plain English, and explains what happened. Made by AUT Project 661 (LLM Agents for Robotics).

It's the language model of the command console in go2-mujoco-sim, which downloads this file on its first start, checks its SHA-256 and runs it with a private Ollama process. Every tool call the model makes passes the console's safety executor (per-call limits and LiDAR clearance checks) before the robot moves.

File go2-ft-04.gguf, Q4_K_M, 3,416,119,840 bytes
SHA-256 15a875b610d8640e4d004d71e3888ba73a7647c4eddf9b91b4df95929498293d
Base model google/gemma-4-E2B-it (LoRA fine-tune, merged, then quantized to 4-bit)
Prompt and tools The compact system prompt and tool definitions in the repo (go2/agent.py, go2/tools.py)
Result 182 of 186 (98%) on the project's tool-calling benchmark

Intended use

Research and teaching with the Go2 in simulation, and supervised tests on a real Go2 EDU through the console. Not approved for production, and not for driving a robot without the console's safety executor, a supervisor and an emergency stop.

Licence

Apache 2.0, as for Gemma 4 (see Google's model card).

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gemma4
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