Efficient Computer
Efficient Computer develops general-purpose data-flow processors and software tools for computing and AI systems.
$100MAdditional funding
ParticipantUS
Union Square Ventures
Activity from announced rounds
Activity in this selectionOct 6, 2026 · AI · Jan 1, 2026
Union Square Ventures is the venture firm explicitly named by Nous Research and Efficient Computer.
Recorded funding activity
Nous develops open models and agents. Efficient develops processors, while Rune deploys computing at renewable-energy sites. The company records retain separate technologies and financing events.
- Rounds participated in
- 9
- Confirmed lead rounds
- 0 6 roles undisclosed
- New companies
- 8 First participation on record · 1 follow-on
- Funding in participating rounds
- $759.4M 9 disclosed · full round size, not this investor’s share
By stage
By primary sector
2 more
Proptech1
Robotics1
By country
Rounds
9 in this selectionRune
A modular clean-compute platform that deploys GPU clusters at renewable-energy sites without building a conventional data center.
$40MSeries A
ParticipantGritt
Combines robotics and AI to automate labor-intensive infrastructure and construction site tasks
$32.4MSeed+Series A
Role not disclosedGeneralist AI
Generalist AI develops foundation models that let robots learn tasks across different hardware and environments.
$400MSeries B
ParticipantBoard
Builds interactive gaming devices blending board games with video games
$20MSeries A
Role not disclosedStatus AI
Builds a gamified social simulation platform where users roleplay characters inside AI-generated social worlds
$17MSeries A
Role not disclosedDoctronic
Provides AI-powered personalized health insights and connects users to licensed providers instantly
$40MSeries B
Role not disclosedIsembard
Develops software to automate manufacturing of key component parts for industries
$50MSeries A
Role not disclosedEfficient Computer
Efficient Computer develops general-purpose data-flow processors and software tools for computing and AI systems.
$60MSeries A
Role not disclosed