CodeSandbox

Cloud development environments with AI help and agent-ready devboxes

AI Coding & DevelopmentFree planOverseasβ˜…β˜…β˜…β˜…β˜† 4.0

What is CodeSandbox?

CodeSandbox provides cloud development environments rather than a single AI feature. You spin up a sandbox or a fuller devbox from a template or a git repository, edit in the browser or connect a local editor, and share a running URL with anyone. The platform has added AI assistance for generating and changing code inside a sandbox, and its devboxes are deliberately shaped for AI agents that need an isolated machine to work in. The differentiator is collaboration and reproducibility: the environment, its dependencies and its preview are all defined in the cloud, so everyone sees the same thing.

Last updated: 2026-09-20. This site only provides an index; for exact features, pricing, and licensing, see the official website.

Key features

  • Cloud sandboxes and devboxes for many frameworks and runtimes
  • Browser IDE with a live preview and shareable project URLs
  • AI assistance for generating and editing code inside a sandbox
  • Git repository import and branch-based collaborative workflows
  • Devboxes shaped as isolated environments for AI agents
  • Connect a local editor or use the built-in browser editor

Pros & cons

Strengths

  • Reproducible environments remove setup drift across a team
  • Shareable preview URLs make review and handoff easy
  • The free tier is enough for small projects and experiments

Watch out for

  • Free resources are limited in memory and runtime
  • Heavy local tooling and native dependencies can be awkward
  • AI features are narrower than in dedicated coding agents

Best for & use cases

cloud development, code sharing, prototyping, agent sandboxes

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FAQ

What is a devbox?

A devbox is a fuller cloud environment than a quick sandbox: more compute, a real repository checkout and long-running processes. They are used for sustained development and, increasingly, for running AI agents in isolation.

Does CodeSandbox include AI coding?

Yes, there is AI assistance for generating and modifying code inside a sandbox. It is a convenience layer on top of the cloud environment rather than a full autonomous agent like a dedicated coding tool.

Can I use my own editor?

Yes. You can work in the browser IDE or connect a local editor to the cloud environment, which keeps the reproducible setup while letting you keep familiar tooling and shortcuts.