Sprites - Stateful sandboxes
Sprites are hardware-isolated, persistent Linux VMs powered by Firecracker for running arbitrary code, including AI agents. They offer stateful ext4 f...
Cloud Infrastructure
Summary
Fly.io introduces Sprites, durable Linux containers with writable root filesystems that replace ephemeral sandboxes. They launch in seconds, auto-sleep when idle, and support instant checkpoint and restore for error recovery.
Highlights
- Writable root filesystems enable persistent state for development and package installs.
- Instant checkpoint and restore allows recovery from errors in approximately one second.
- Containers auto-sleep when idle but retain state and 100GB storage capacity.
- Designed to better support AI agents and long-running tasks requiring persistent environments.
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Context
Audience
Software Developers
DomainCloud Computing
Formattechnical blog post
Accessfree online
Topics
Related
Fly.ioDurable ContainersAI AgentsCheckpoint RestoreLinux Containers