Isolated, on-demand Linux sandboxes for running untrusted code and AI agent workflows, billed by actual CPU use.
Render Sandboxes product page
1 / 2Overview
What is Render Sandboxes?
A computer for every agent
Render Sandboxes (public beta) gives every AI agent its own isolated computer. Sandboxes are on-demand Linux microVMs for running untrusted code, agentic workflows and AI-generated apps, with persistent state and a filesystem.
- Isolated microVMs that boot in under a second
- Scale to thousands of concurrent sessions
- Suspend when idle, so you pay only for CPU used
- Snapshots save and restore state in milliseconds
- Control via CLI, API, TypeScript/Python SDKs or MCP server
The Hobby workspace is free. Sandboxes cost $0.12 per active CPU-hour plus memory from $0.038 per hour per GB, with snapshot storage at $0.08 per GB per month.
Platforms and languages
Render Sandboxes Availability
Platforms
Languages
Capabilities
Render Sandboxes Key Features
Isolated Linux microVMs
Run untrusted code and agentic workflows in isolated, on-demand Linux environments.
Sub-second boots, massive scale
Sandboxes boot in under a second and scale to thousands of concurrent sessions.
Pay only for CPU used
Sandboxes suspend when idle, so you only pay for the CPU you actually use.
Millisecond snapshots
Save and restore sandbox state in milliseconds with snapshots.
Control by CLI, API, SDK or MCP
Manage sandboxes from the Render CLI, REST API, TypeScript/Python SDKs or MCP server.
Best for
Who uses Render Sandboxes?
Developers building AI agents
Run agent code safely in isolated sandboxes with snapshots and usage billing
Teams running AI-generated apps
Execute untrusted or generated code in a secure, scalable environment
Plans and access
Render Sandboxes Pricing
Freemium
Free Hobby workspace; sandboxes from $0.12 per active CPU-hour plus memory.
Common questions
Render Sandboxes FAQs
What are Render Sandboxes?
Isolated, on-demand Linux environments for running untrusted code, agentic workflows and AI-generated apps.
How is usage billed?
Sandboxes cost $0.12 per active CPU-hour plus memory from $0.038 per hour per GB; snapshot storage is $0.08 per GB per month.
How do I control a sandbox?
Through the Render CLI, REST API, TypeScript or Python SDK, or the MCP server.
Is there a free tier?
Yes. The Hobby workspace is free, with usage billed per active CPU-hour.
How secure are sandboxes?
Each sandbox is an isolated microVM with network egress denied by default; you allow only the domains you choose.
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