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Cerulion

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Cerulion

Open source operating system for robots

cerulion.com
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Overview

Cerulion is a 2024-founded robotics middleware company building an open-source, Rust-based operating system for robots focused on zero-copy shared-memory communication, deterministic replay, and ROS2 compatibility. Public sources consistently place it in San Francisco, and the product is currently in closed alpha / early access.

Primary product

Rust-based robot middleware / open-source operating system for robots

Founded

2024

Headquarters

San Francisco, California, United States

Team size

1-10

Industry

Robotics Engineering

Sub-industry

Robot middleware / robotics developer tools

Offices

San Francisco, California, United States
Mountain View, California, United States
Boston, Massachusetts, United States

Business model

open-source software
B2B software
developer tools

Funding

Stage

Seed / pre-seed (early stage)

Total raised

$625K

Latest round

Pre-Seed · Sep 2024

Latest amount

$500K

Pre-Seed

Sep 2024 · Y Combinator

$500K

Seed

Aug 2024

$125K

People & investors

Leadership

Lakshay Sharma

Founder & CEO

Se Hwan Jeon

Co-Founder

Raveen Kariyawasam

COO

Karthik Sriram

Founding Middleware Lead

Investors

E14 Fund
Multimodal Ventures
Network VC
O'Shaughnessy Ventures
Olive Tree Capital
Sand Hill North
SBXi
Scale Asia Ventures
Y Combinator

Work & culture

Mission-driven, robotics-heavy team focused on making robot software more reliable, deterministic, and easier to debug. Public copy emphasizes engineering rigor, early access, benchmarking with users, and modern developer ergonomics.

Compensation

Public YC job posting for a Founding Middleware Lead listed a base salary range of $145K-$180K; no broader public compensation policy was found.

Product & market

Pricing

Not publicly listed; demo/early-access sales-led

Differentiators

  • —zero-copy shared-memory transport
  • —deterministic replay from graph order
  • —native ROS2 message compatibility
  • —built in Rust
  • —process-based fault isolation
  • —microsecond-latency performance
  • —cross-platform GUI/app
  • —supports large robotics payloads without serialization

Technology

Rust
iceoryx2
ROS 2
LCM
Zenoh
IceOryx
shared memory
zero-copy IPC
Godot Engine
NVIDIA Isaac Sim

Customers

Amazon Robotics
Boston Dynamics AI Institute
robotics engineers and teams using ROS/ROS2

Competitors

ROS 2
LCM
Zenoh
IceOryx / IceOryx2
Foxglove
Vention
Palladyne AI
Mech-Mind

Scale & contact

Estimated revenue

Approximately $37K-$173K annual revenue (third-party estimate; low confidence)

Estimated monthly visits

1.2K

founders@cerulion.com
AppBlogCareersDocsGitHub organizationGitHub repositoryHomepageLinkedIn companyYC company profileYC launch page
SourcesCerulion homepageCerulion docsCerulion blogCerulion GitHub orgCerulion GitHub repoCerulion LinkedIn company pageYC company profileYC jobsYC launch pageThe Robot Report startup radar

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