Building Open Intelligence

Open models from an American research lab.

AI works best when people can build on it freely. Arcee develops open-weight models in the U.S. and releases them for everyone.

Arcee Partners with Bolt on Forge

Partnerships

Arcee Partners with Bolt on Forge

Introducing NAC, an Open-Source Harness for Long-Running Agent Work

Product

Introducing NAC, an Open-Source Harness for Long-Running Agent Work

Genesis-Science-1

Company

Genesis-Science-1

Open by design.

Meet Trinity, an open-weight model family that runs anywhere.

  • Trinity Large Thinking

    Frontier reasoning for your hardest problems.

  • Trinity Mini

    Your everyday workhorse with balanced performance and speed.

  • Trinity Nano

    Ultra-lightweight and fast enough to run on-device.

See Models
Trinity is moving to OpenMDW-1.1

Product

Trinity is moving to OpenMDW-1.1

How to Use Hermes Agent with Trinity Large Thinking

Agentic AI

How to Use Hermes Agent with Trinity Large Thinking

Announcing Genesis-Science-1: An Open-Weight Model for Scientific Research

Mark McQuade headshot
LatestPress

Arcee AI trained four models for $20 million. Now, it’s worth $1 billion.

fortune.com

Read More
Arcee, a US open source AI lab, says Chinese models are not inherently dangerousPresstechcrunch.com
Arcee Trains Frontier Open Models for Long-Running Agents, Powered by NVIDIA BlackwellPressnvidia.com
I can’t help rooting for tiny open source AI model maker ArceePresstechcrunch.com

Everything you need to start building.

Ship on our API or download the models and run them yourself. Every model is open-weight, so you can inspect, fine-tune, and go to production on your terms.

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