Scaling to 1 million concurrent sandboxes in seconds | Modal Blog
- Back Engineering July 16, 2026•10 minute readAt Modal, we build sandboxes, among other things.
- Agents run in sandboxes, and agents are eating software.
- Today, Modal runs millions of sandboxes per day, supports up to fifty thousand concurrent sandboxes per customer, and supports a variety of use cases at scale, from reinforcement learning to background agents.
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- Back Engineering July 16, 2026•10 minute readAt Modal, we build sandboxes, among other things.
- Agents run in sandboxes, and agents are eating software.
- Today, Modal runs millions of sandboxes per day, supports up to fifty thousand concurrent sandboxes per customer, and supports a variety of use cases at scale, from reinforcement learning to background agents.
Sources: Modal