Arcee AI

Arcee AI is a U.S.-based open AI research company that develops and releases open-weight language models and agent tooling for developers, enterprises, and researchers. Their core offerings include the Trinity family of models (Large, Mini, Nano) which can be accessed via API or downloaded for self-hosting, providing flexibility for inspection, fine-tuning, and deployment. The platform emphasizes open-source access, agent-based workflows, and is designed for serious production use, including research and enterprise applications.