Modal, operated by Modal Labs, Inc., provides cloud infrastructure for developers and teams building, training and serving AI applications. Its platform includes Functions for serverless compute and batch jobs, Sandboxes for running agent-generated code in isolated environments, and Servers for model inference. It also supports fine-tuning, reinforcement learning and multi-node GPU training. Modal manages compute provisioning, scaling and cluster capacity across multiple clouds. Customers use it for coding agents, media generation, robotics training and drug discovery.