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Code Sandboxes

Alternatives to Runloop

7 code sandboxes tools you can use instead of Runloop, 3 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.

About Runloop

Code sandboxes (Devboxes) for AI coding agents, plus evaluations.

Code SandboxesNew
Runloop detailsVisit Runloop

At a glance

Runloop alternatives compared

Alternatives to Runloop
ToolWhat it doesOpen sourceHead to head
Agent 37Cloud sandboxes for running AI agents, positioned as lower-cost agent infrastructure.NoRunloop vs Agent 37
AIO SandboxAll-in-one agent sandbox with browser, shell, file access, VSCode Server, and MCP in one container.YesRunloop vs AIO Sandbox
Cloudflare Sandbox SDKRun untrusted or generated code in Linux VMs or isolated Workers on Cloudflare.NoRunloop vs Cloudflare Sandbox SDK
DaytonaSecure sandboxes for running AI-generated code.YesRunloop vs Daytona
E2BIsolated cloud machines for agents to run code, browse, and use tools.YesRunloop vs E2B
ModalServerless cloud for running, training, and serving AI workloads, including sandboxes.NoRunloop vs Modal
Vercel SandboxIsolated Linux microVMs on Vercel for untrusted or agent-generated code.NoRunloop vs Vercel Sandbox

Code Sandboxes

All 7 alternatives

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FAQ

Questions

What are the alternatives to Runloop?

Agent Stack Directory lists 7 other code sandboxes tools: Agent 37, AIO Sandbox, Cloudflare Sandbox SDK, Daytona, E2B, Modal, Vercel Sandbox.

Is there an open-source alternative to Runloop?

Yes. Among the alternatives we list, these are marked open source: AIO Sandbox, Daytona, E2B.

What does Runloop do?

Code sandboxes (Devboxes) for AI coding agents, plus evaluations. (Summary based on runloop.ai, link checked 2026-10-16.)

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