SPACE, a new sandbox platform for Perplexity Computer, has taken over 100% of the production traffic since June by providing isolated environments designed for long-running agent sessions. Unlike traditional sandboxes, which are not suited for prolonged tasks, SPACE effectively separates the session from the sandbox using disposable Firecracker microVMs, ensuring tasks can pause, resume, or branch without losing work or compromising sensitive credentials. This innovative design has resulted in a significant improvement in performance, as SPACE reduced median sandbox creation latency from 185 ms to 60 ms amidst millions of sandbox creations and tens of millions of reconnects last week.

SPACE: SPACE is the sandbox platform developed to power Perplexity Computer, creating isolated environments for code execution, file management, and extended agent operations. It employs disposable Firecracker microVMs that are destroyed after use, combined with rolling snapshots to maintain session continuity across different sandboxes. The platform directly supports Perplexity Computer by handling all of its production workloads, enabling secure and efficient long-running tasks without embedding credentials in environments.
Perplexity Computer: Perplexity Computer is Perplexity’s autonomous AI agent system designed to complete complex tasks by writing and running code, browsing the web, and integrating with external services. It operates entirely within secure cloud-based sandbox environments to ensure isolation and data protection. SPACE serves as the underlying infrastructure platform that has managed all production traffic for Perplexity Computer since June.

`json
{
“Sandbox Design”: “Modern agent platforms separate the session from the run environment, enabling tasks to pause, resume, or branch across disposable environments without losing work or exposing sensitive credentials.”,
“Agent Infrastructure Needs”: “Traditional sandboxes, designed for short-lived code execution, are inadequate for AI agents that must operate continuously while maintaining security and session continuity.”
}
`