Fly.io: Why sandboxes were never right for AI agents
steren · x · 2026-08-20
The team at Fly.io published a detailed write-up arguing that traditional "sandbox" environments are not the right fit for running AI agents.
Key Arguments:
- Isolated sandboxes fail to meet agents' needs for persistent state, complex dependencies, and network interactions.
- Agents behave more like long-running services than ephemeral function calls, requiring more flexible infrastructure.
The article details the limitations of current sandbox approaches in agent workflows and explores better architectural foundations for the future.
Related event: Fly.io and Google Cloud Clash Over AI Agent Runtime Approaches(2 posts)→
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