Green-VLA: Staged Vision-Language-Action Model for Generalist Robots Paper • 2602.00919 • Published Jan 31 • 324
GDPO: Group reward-Decoupled Normalization Policy Optimization for Multi-reward RL Optimization Paper • 2601.05242 • Published Jan 8 • 231
π_RL: Online RL Fine-tuning for Flow-based Vision-Language-Action Models Paper • 2510.25889 • Published Oct 29, 2025 • 66