# Sandboxes،

‏#CoreWeave launched ‎#Sandboxes، as a runtime layer that provides AI researchers with a safe, isolated environment for running reinforcement learning, using intelligent agent tools (Agents), and evaluating models.
Chen Goldberg, Vice President of Products and Engineering at the company, said:
“With intelligent agent usage and model evaluation moving into real production, teams now need a runtime layer that behaves like the rest of their infrastructure—manageable, observable, and directly connected to the existing workflows on CoreWeave.
CoreWeave Sandboxes close the execution gap in reinfor