Runtime.si

YC company profile

Real-time simulation infrastructure for robots

Runtime is building real-time simulation infrastructure for robots. We give robots a live simulation of their surroundings to guide every action.

• YC batch: Fall 2026
• Team size: 5
• Location: San Francisco
• Country: US
• Status: Active
• Industry: Industrials
• Stage: Early
• Tags: Robotics, Infrastructure, AI
• YC partner: Aaron Epstein

Founders

Chen Peng — Co-Founder

Co-founder, CEO at Runtime.si. Previously at Penn's GRASP and Penn Engineering working on model interpretability and brain foundation models. BA in Physics from UPenn.

LinkedIn · X

Yim Ying — Founder

Co-founder at Runtime.si. Full-stack robotics engineer focused on robotics productization, manipulation, and manufacturing.MechE @ Penn.

LinkedIn

Liam Zhong — Founder/CTO

Co-founder & CTO at Runtime.si. Graduate student / Researcher at UPenn GRASP Lab Program, CV, Control, and RL. Reviewer and author for CVPR, ECCV, NeurIPS, etc. Robotics@Penn.

LinkedIn

Source: Y Combinator · Retrieved 2026-11-02. Company information is self-reported on YC.