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Head-to-head · Sandbox Software

Docker Sandboxes vs Anthropic Sandbox Runtime

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Docker Sandboxes #3 in Sandbox Software 8.3/10 Free plan Free plan✓ 3 of 3 features Visit Docker
Anthropic Sandbox Runtime #6 in Sandbox Software 7.1/10 Open source ✓ 2 of 3 features View Anthropic SRT

Docker Sandboxes leads on 2 checks, Anthropic Sandbox Runtime on 0, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDocker Sandboxes · 8.3/10
  • Free planonly Docker Sandboxes
  • Most featuresDocker Sandboxes · 3 of 3

Docker Sandboxes scores higher on our rubric for sandbox software: 8.3 against 7.1 out of 10; our editors rank them #3 and #6.

Docker Sandboxes offers free plan; Anthropic Sandbox Runtime doesn't publish it. Docker Sandboxes offers persistent storage; Anthropic Sandbox Runtime doesn't publish it. On deployment, Docker Sandboxes gives you Both where Anthropic Sandbox Runtime offers Self_hosted.

Docker Sandboxes is the better fit for developers building secure agent workspaces. Anthropic Sandbox Runtime is the better fit for engineers wanting open-source cross-platform controls.

  • Docker Sandboxes fits best

    Developers building secure agent workspaces

  • Anthropic Sandbox Runtime fits best

    Engineers wanting open-source cross-platform controls

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Docker Sandboxes 8.3/10 Visit ↗ Anthropic Sandbox Runtime 7.1/10 Visit ↗
At a glance
Editor score 8.3 7.1
Ranking #3 in Sandbox Software #6 in Sandbox Software
Best for Developers building secure agent workspaces Engineers wanting open-source cross-platform controls
Pricing model Free plan + paid Free
Starting price Not published Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Docker Sandboxes 3/3 · Anthropic Sandbox Runtime 2/3
Persistent storage ✓ (best) Not published
Network controls ✓ ✓
API or CLI access ✓ ✓
Specs
Isolation method Not published Container
Concurrent environments Not published Not published
Deployment Both Self_hosted
Our review
Pros
  • Separate kernel and Docker daemon for each sandbox
  • Network, filesystem, credential, and workspace isolation controls
  • Free CLI with support for major coding agents
  • CLI wraps arbitrary commands with sandbox restrictions
  • Filesystem, domain, proxy, and Unix socket controls
  • Supports macOS, Linux, Windows, and API workflows
Cons
  • Organization governance is a separate paid subscription
  • Cloud persistent volumes are distinct from local sandbox environments
  • Focused on agent workspaces rather than general-purpose sandboxing
  • Self-hosted deployment requires operational ownership
  • Documentation is the listed support channel
  • Described as a beta research preview
Our verdict

Docker Sandboxes runs AI coding agents inside isolated microVM environments. Each sandbox has its own filesystem, Docker daemon, and network, allowing agents to install packages, build containers, modify code, and run services without…

Read the review →

Anthropic Sandbox Runtime is an open-source CLI and library for applying OS-level filesystem and network restrictions to arbitrary processes. It is designed for engineers managing agents, local MCP servers, shell commands, and other…

Read the review →
  1. Docker SandboxesSandbox Software 8.3Free plan
  2. Anthropic Sandbox RuntimeSandbox Software 7.1Open source

Strengths and trade-offs

  • Docker Sandboxes — where it wins

    • Separate kernel and Docker daemon for each sandbox
    • Network, filesystem, credential, and workspace isolation controls
    • Free CLI with support for major coding agents

    Where it doesn't

    • Organization governance is a separate paid subscription
    • Cloud persistent volumes are distinct from local sandbox environments
    • Focused on agent workspaces rather than general-purpose sandboxing

  • Anthropic Sandbox Runtime — where it wins

    • CLI wraps arbitrary commands with sandbox restrictions
    • Filesystem, domain, proxy, and Unix socket controls
    • Supports macOS, Linux, Windows, and API workflows

    Where it doesn't

    • Self-hosted deployment requires operational ownership
    • Documentation is the listed support channel
    • Described as a beta research preview
  • Docker Sandboxes8.3/10 · Free plan

    A focused sandbox for running coding agents with isolation, policies, and persistent state.

    Visit DockerFull verdict →
  • Anthropic Sandbox Runtime7.1/10 · Open source

    Open-source process isolation with CLI, library APIs, and configurable network controls.

    View Anthropic SRTFull verdict →

More comparisons

All sandbox software comparisons → · Full ranking →

Guides on sandbox software

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update