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About
Louis Vichy is a co-founder of OpenRouter, the AI model-routing marketplace Stripe agreed to acquire in August 2026 for a reported $7.5 billion — about three years after he and Alex Atallah, who met on Discord, started it. A largely behind-the-scenes engineer, he previously co-founded Plasmo, the open-source browser-extension framework where he was the top contributor and where the future OpenRouter founders first collaborated, co-founded the robotics cloud platform RosHub, and worked on TurboTax at Intuit. He grew up in Vietnam, studying programming at Hanoi University of Science's High School for Gifted Students before moving to Washington State and earning degrees at Green River College and RIT.
Beyond investing
- Founded
- Co-founded OpenRouter in early 2023 with Alex Atallah, whom he met on Discord after collaborating on the Plasmo browser-extension framework. Co-founded Plasmo, the open-source browser-extension framework, in 2022 with Stefan Aleksic — and was its top contributor with 770 commits. Co-founded RosHub, a cloud platform for managing ROS robotics fleets.
- Hobbies
- Serial hackathon competitor — 35 hackathons and 16 projects on Devpost — and a onetime Seattle CoderDojo mentor.
- More
- Built OpenRouter's early 'Sign in with OpenRouter' end-user-pays flow and the routing layer across 60+ providers, on an all-TypeScript stack using Effect. Shares, with co-founders Alex Atallah and Chris Clark, the reported $1.5 billion founder allocation from Stripe's $7.5 billion acquisition of OpenRouter.
From chaincatcher.com · github.com · bankingdive.com · effect.website · paymentsdive.com · devpost.com — common ground for a warm intro.
Founder at OpenRouter
Intro paths
In turn, Louis can intro founders to OpenRouter's investors below.
OpenRouter's investors · 13
Co-founders at OpenRouter
Podcasts & interviews
featuring Louis VichyInside OpenRouter’s Tech Stack and Use of Effect | Louis Vichy | Cause & Effect 6
Effect | TypeScript at Scale
Frequently asked questions
- Who is Louis Vichy?
- Louis Vichy is a co-founder of OpenRouter, the AI model-routing marketplace Stripe agreed to acquire in August 2026 for a reported $7.5 billion — about three years after he and Alex Atallah, who met on Discord, started it. A largely behind-the-scenes engineer, he previously co-founded Plasmo, the open-source browser-extension framework where he was the top contributor and where the future OpenRouter founders first collaborated, co-founded the robotics cloud platform RosHub, and worked on TurboTax at Intuit. He grew up in Vietnam, studying programming at Hanoi University of Science's High School for Gifted Students before moving to Washington State and earning degrees at Green River College and RIT.
- Where does Louis Vichy work?
- Louis Vichy is Founder of OpenRouter.
- What companies did Louis Vichy found?
- Louis Vichy founded OpenRouter.
- What podcasts and interviews feature Louis Vichy?
- Tracked appearances include "Inside OpenRouter’s Tech Stack and Use of Effect | Louis Vichy | Cause & Effect 6".
Founder mafias
Intuit mafia108
Also came through, then founded or led a company.
Rochester Institute of Technology mafia77
Also came through, then founded or led a company.
Green River College mafia4
Also came through, then founded or led a company.
About this profile. Compiled from public sources — OpenRouter's own website, press coverage and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights