MosaicML

Acquired

San Francisco, California, USA · Founded 2021

51-200 employees · $64M

Sourced & current · updated May 11, 2026

Foundation-model training platform. Acquired by Databricks July 2023 for $1.3B. Tech became foundation of Databricks Mosaic AI.

Where they sit

Stack tier: Infrastructure & Data (B)

AI-Powered Platform

Pioneer in cost-efficient foundation model training, now integrated as a core AI capability within Databricks' enterprise data platform