Arcee AI: A US-based Open Intelligence Lab

Three frontier models in six months. All open-weight.

Test our Latest Model

Open-weight, customizable, built for real production use. Over 40K downloads on Hugging Face.

Three releases in six months. Open weights, real benchmarks, no vaporware.

Online RL means continuous learning. Deploy once, improve continuously with rapid iteration.

Our architectures keep costs low. Frontier performance without frontier pricing.

Effective Friday, October 31, 2025, we are returning Mergekit to the GNU Lesser General Public License v3.

MergeKit helped evaluate merged checkpoints and select top performers, reflecting a broader enterprise shift to open models & reproducible tooling.

Explore how to optimize small language models on Intel’s latest CPU, utilizing Arcee AI’s AFM-4.5B and Intel-optimized inference libraries.