Vassar Robotics LinkedIn · Aug 2025
Company post teasing 7-DoF robotic arms and custom design work for teleoperation use cases.
Open-source semi-humanoid dev kit → home data → autonomy → 20h/wk
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Vassar Robotics is a 2025 Y Combinator Spring 2025 robotics startup building Navrim and other gearbox-free robotic arms / developer kits for robot learning and teleoperation, with a software stack aimed at imitation learning, simulation, and deployment.
Primary product
Navrim AI robot arm / leader-follower robot kit
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10
Industry
Robotics Engineering
Sub-industry
robotic arms and embodied AI developer kits
Offices
San Francisco, California, United States
Los Angeles, California, United States (YC listing)
Business model
direct hardware sales
developer kit sales
e-commerce pre-orders
bundled software stack
Funding
Stage
Seed / Pre-Seed
Total raised
$500K
Latest round
Pre-Seed / Seed · Jul 2025
Latest amount
$500K
Other / undisclosed investment
Jun 2025 · Network VC
Jun 2025 · Y Combinator
People & investors
Work & culture
Engineering-first and builder-focused, with public messaging that emphasizes 'measured numbers, honest targets, real answers' and a mission to build for frontier robotics and embodied-AI labs.
Compensation
No public salary bands, equity terms, or benefits package were found in the reviewed public sources.
Product & market
Pricing
Direct-to-consumer hardware kit sales via an e-commerce storefront; pricing is SKU-based and appears to be sold as pre-orders / batches.
Differentiators
- —gearbox-free transverse-flux direct drive
- —claims of zero backlash, wear drift, and nonlinear friction
- —zero-shot sim-to-real positioning
- —open-source / developer-kit orientation
- —teleoperation-first data flywheel
- —integrated cameras and no-code teaching workflow
- —user-controlled data, policies, and training stack
Technology
transverse-flux direct drive
gearbox-free joints
LeRobot
MCP server
OpenAI
Anthropic
Python
Node.js
pnpm
uv
phosphobot
SLA/SLS 3D printing
480p cameras
teleoperation
Feetech servo SDK
Customers
frontier robotics labs
embodied-AI labs
individual builders
robotics enthusiasts
hobbyists
educators
developer communities
homes
small businesses
Competitors
ARX
Trossen Robotics
LeRobot / SO-101 ecosystem
GELLO
Figure
1X
Boston Dynamics
Physical Intelligence
RoboParty
PLEN Robot
Scale & contact
Estimated revenue
US$171K–US$440K estimated annual revenue (public third-party estimates differ)
Estimated monthly visits
381
Latest news
Scroll.media · Jun 2025
Reported that Network VC invested in Vassar Robotics, which was founded in 2025 by Charles Yong and pivoted from MIT Design X work on metal 3D-printing automation to home robotics.
Hacker News · Jun 2025
Launch post by Charles Yong introducing Navrim, a low-cost robot arm kit that learns by demonstration, sold out its first run, and highlighted teleoperation plus an MIT-licensed MCP server.
Y Combinator · Jun 2025
YC Launch page describing Navrim as Vassar Robotics' first robot and framing the company around accessible robotics and AI-enabled skill learning.
Startup Intros · Jun 2025
Aggregated funding page claiming a $500K Seed round announced on June 1, 2025, with investors including Y Combinator and Andreessen Horowitz.
Jobs and careers at Vassar Robotics
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