agent-sandbox vs OpenSandbox
Self-hosted sandboxes for AI agents compared
agent-sandbox and OpenSandbox provide isolated environments for AI agents to run code and perform other tasks. agent-sandbox is Kubernetes-focused and offers E2B compatibility, while OpenSandbox supports local Docker use as well as Kubernetes deployment.

agent-sandbox: Run Isolated Sandboxes for AI Agents
Agent-Sandbox provides a self-hosted Kubernetes service for creating and managing isolated environments for AI agent code and actions. It wraps sandbox lifecycle operations in a REST API and MCP server, with E2B compatibility.

OpenSandbox: Run AI Agents in Isolated Sandboxes
OpenSandbox provides isolated environments where AI applications can run code, commands, and browser or desktop tasks. It supports local Docker use and Kubernetes deployment through a shared sandbox API.
| agent-sandbox | OpenSandbox | |
|---|---|---|
| Language | Go | Python |
| License | Apache-2.0 | Apache-2.0 |
| Stars | 218 | 15.7k |
| Forks | 21 | 1.4k |
| Last analyzed | Oct 3, 2026 | Oct 3, 2026 |
Key differences
- agent-sandbox requires Kubernetes 1.28 or later; OpenSandbox supports local Docker use and Kubernetes deployment.
- agent-sandbox is written in Go; OpenSandbox is written in Python and lists SDKs for Python, Java/Kotlin, JavaScript/TypeScript, C#/.NET, and Go.
- agent-sandbox highlights REST and MCP interfaces, E2B compatibility, persistent state, and Kubernetes-backed templates and blueprints; OpenSandbox highlights file and command APIs, inbound routing, outbound network policies, and a Credential Vault.
- agent-sandbox includes warm pools, pause and resume, snapshots, and scale-to-zero; OpenSandbox describes sandbox lifecycle management through a shared API across Docker and Kubernetes.
- Both use the Apache-2.0 license. In the supplied repository snapshot, agent-sandbox has 218 stars and 4 open issues, while OpenSandbox has 15.7k stars and 140 open issues.
Choose agent-sandbox if you…
- need a Kubernetes-based service with E2B-compatible APIs or SDKs.
- want persistent sandbox state and Kubernetes-managed templates and blueprints.
- need warm pools, snapshots, or pause and resume capabilities.
Choose OpenSandbox if you…
- want to develop or evaluate locally using Docker before deploying to Kubernetes.
- need SDKs across several languages, including Java, JavaScript/TypeScript, C#/.NET, and Go.
- need per-sandbox outbound network policies or a Credential Vault for external-service access.
Compare the numbers side by side, or add more projects
This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.