Step-based open-source 4B Agent model GELab-Zero, running successfully on all Android devices.

StepStar has open-sourced GELab-Zero, releasing the 4B-parameter GUI Agent model GELab-Zero-4B-preview. The model achieves state-of-the-art (SOTA) results in multiple benchmark tests for its size and can smoothly execute complex and fuzzy commands. The project also open-sourced its complete inference engineering infrastructure, supporting one-click deployment and multi-device task distribution, solving the engineering challenges of large-scale deployment of mobile agents.