Arcee AI
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Arcee AI

A San Francisco-based AI lab focused on developing and releasing powerful, open-source frontier AI models.

Active30San Francisco, USA

About

Arcee AI is a lean, 30-person AI lab based in San Francisco, focused on "engineering through constraint" to develop and release powerful open-source AI models. They recently released AI Trinity-Large-Thinking, a 399-billion parameter text-only reasoning model under the Apache 2.0 license, aiming to provide a sovereign alternative to increasingly closed frontier models. Their strategy emphasizes capital efficiency and providing developers with models they can truly own and customize.

Key facts

At-a-glance profile data

Headquarters
San Francisco, California, USA
Employees
30
Total funding
-
Business model
B2B
Tags
Artificial Intelligence
Machine Learning
Deep Learning
Open Source Software

Funding rounds

Funding rounds raised by Arcee AI
DateRoundAmountPost-moneyLead investors
16 Sept 2026Series BUndisclosed$1.0BVista Equity Partners, Cambium Capital, Emergence Capital
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Frequently asked

How many employees does Arcee AI have?

Arcee AI has approximately 30 people on record.