ToolSandbox

A Hugging Face team released BotPsy, a sub-billion-parameter agentic language model built to run as an on-device personal assistant, replacing costly and volatile cloud LLM calls with local inference. The post details evaluation protocols across ToolSandbox, GPQA Diamond, MMLU-Pro, IFEval and related benchmarks, arguing that tool-use and general capability can coexist at a very small parameter budget.