Portrait of Sicong Leng

Sicong Leng 冷思聪

Building physical intelligence, one motor at a time.

PhD @ Nanyang Technological University

github · google scholar · twitter · email

I'm a 3rd-year PhD student at Nanyang Technological University, advised by Prof. Lu Shijian.

My research centers on multimodal learning and embodied AI, with recent work on RynnBrain, VideoLLaMA, RynnVLA, and MMR1.

Feel free to reach out for collaborations, questions, or just to chat.

News

  1. May 2026 · New survey out: World Model for Robot Learning: A Comprehensive Survey — a policy-centric look at world models for robot learning.
  2. Apr 2026 · New survey out: Visual Generation in the New Era: An Evolution from Atomic Mapping to Agentic World Modeling — a roadmap from atomic mapping to agentic world modeling.
  3. Feb 2026 · MMR1 and LongVT accepted by CVPR 2026.
  4. Feb 2026 · RynnBrain is released — open embodied foundation models for robotics.
  5. Jan 2026 · RynnVLA-001 accepted by ICRA 2026.
  6. Sep 2025 · MMR1 is out — variance-aware sampling for multimodal reasoning, with open-sourced code, data, and model.
  7. Sep 2025 · CMM and Better MoE accepted by NeurIPS 2025 — Better MoE as oral.
  8. Aug 2025 · RynnVLA-001 is released — a vision-language-action model pretrained on human demonstrations for robot manipulation.

Selected publications

RynnBrain: Open Embodied Foundation Models

Ronghao Dang*, Jiayan Guo*, Bohan Hou*, Sicong Leng*, Kehan Li*, Xin Li*, Jiangping Liu*, Yunxuan Mao*, Zhikai Wang*, Yuqian Yuan*, Minghao Zhu*, Xiao Lin, Yang Bai, Qian Jiang, Yaxi Zhao, Minghua Zeng, Junlong Gao, Yuming Jiang, Jun Cen, Siteng Huang, Liuyi Wang, Wenqiao Zhang, Chengju Liu, Jianfei Yang, Shijian Lu, Deli Zhao

ArXiv 2026

paper ·code ·project

All publications at Google Scholar →

Experience

Research Intern, Embodied Intelligence Team, Alibaba DAMO Academy

2024 – Present

Research on embodied foundation models and multimodal reasoning, contributing to RynnBrain, RynnVLA-001, MMR1, and the VideoLLaMA series.

Supervisors: Xin Li, Deli Zhao

Research Assistant, StatNLP Lab, SUTD

Aug 2021 – Aug 2023

Research on NLP and multi-modal learning.

Supervisor: Prof. Lu Wei

Off the clock

🏸badminton·🎤singing·🎮games.