AI Sandboxes by Buddy

AI Sandboxes by Buddy: Secure and elastic infrastructure that provides isolated Linux machines for running AI-generated code.

AI Sandboxes by Buddy provide secure, elastic infrastructure for running AI-generated code and apps on real Linux virtual machines rather than throwaway containers. Each sandbox includes a 50 GB persistent disk, passwordless root permissions, SSH access, public HTTPS endpoints, and an auto start and stop feature. Users can manage sandboxes via the CLI, TypeScript SDK, REST API, or an MCP tool call. The service is designed for developers and AI agents to build, test, and run applications in isolated environments. Preinstalled toolchains include Node, Docker, Go, Python 3, Git, and popular coding agents.

AI Sandboxes by Buddy at a glance

Best for: Software engineer
Runs on: Web, CLI, API, VS Code
Pricing: Free plan available; pay by the minute for compute and storage rates.
Released: October 2026
Category: AI coding tool
Website: buddy.works/sandboxes

Key features

Persistent disk that survives restarts
Root permissions with passwordless sudo
SSH access and VS Code Remote-SSH integration
Auto start and stop based on idle status
Snapshots for prepared agent states
Preinstalled toolchain with Node, Docker, Go, and Python
Public HTTPS endpoints for apps

Use it for

Run and test AI-generated code and applications
Execute commands and manage files in isolated Linux environments
Deploy coding agents with direct tool access
Host preview URLs for web applications

Alternatives to AI Sandboxes by Buddy

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OpenSandbox — Provides isolated environments with multi-language SDKs and lifecycle management.
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Dormice — Permanent sandboxes that cost nothing while idle on private infrastructure.
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Freebuff — Access multiple coding AI models for free without subscriptions.
jevgrep — Reduces coding agent costs by providing targeted, relevant repository context.
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E2B — Provides secure Linux VMs created on demand for AI agents.
CubeSandbox — Provides sub-60ms cold starts and hardware-level microVM kernel isolation.
AgentOS SDK — Runs agents directly inside the backend using WebAssembly and V8 isolates.

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