E2B vs microsandbox

E2B9.8Visit microsandbox9.0Visit

Higher score E2B #1 in Sandbox Software 9.8/10 Free plan · paid from $150/mo Free plan✓ 3 of 3 features Visit E2B

vs

microsandbox #2 in Sandbox Software 9.0/10 Free plan · paid from $49/mo Free plan✓ 3 of 3 features Visit microsandbox

• E2B fits best

  AI apps needing production-grade code sandboxes

• microsandbox fits best

  High-volume teams needing flexible microVMs

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Side by side

Feature	E2B 9.8/10 Visit ↗	microsandbox 9.0/10 Visit ↗
At a glance
Editor score	9.8	9.0
Ranking	#1 in Sandbox Software	#2 in Sandbox Software
Best for	AI apps needing production-grade code sandboxes	High-volume teams needing flexible microVMs
Pricing model	Free plan + paid	Free plan + paid
Starting price	$150/mo	$49/mo (best)
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, Linux	Windows, macOS, Linux
Support	Email, Docs	Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features E2B 3/3 · microsandbox 3/3
Persistent storage	✓	✓
Network controls	✓	✓
API or CLI access	✓	✓
Specs
Isolation method	Snapshot	Not published
Concurrent environments	100 environments	1000 environments (best)
Deployment	Both	Both
Our review
Pros	Firecracker microVM isolation with a dedicated kernel per sandbox Configurable outbound networking, persistent state, and session controls SDK, REST API, CLI, Dockerfile templates, and BYOC deployment	Hardware-isolated microVMs with a separate kernel per sandbox SDKs for Rust, TypeScript/Node, Python, and Go Local, cloud, and BYOC execution with network controls
Cons	Pro usage is billed by the second beyond the monthly plan Hobby sessions are limited to 1 hour and 20 concurrent sandboxes Advanced observability and signed webhooks are enterprise features	Free plan is limited to 3 total sandboxes Cloud access is in private beta and available by request Enterprise pricing uses a custom agreement
Our verdict	E2B provides isolated cloud sandboxes for AI agents, coding tools, data analysis, browser automation, and other workloads that run untrusted code. Each session uses a Firecracker microVM with its own kernel, filesystem, and memory… Read the review →	microsandbox runs untrusted code, generated programs, agents, plugins, and other workloads inside hardware-isolated microVMs, with a separate kernel for each sandbox. It is aimed at developers, startup teams, and larger organizations that… Read the review →

Strengths and trade-offs

• E2B — where it wins

  • Firecracker microVM isolation with a dedicated kernel per sandbox
  • Configurable outbound networking, persistent state, and session controls
  • SDK, REST API, CLI, Dockerfile templates, and BYOC deployment

  Where it doesn't

  • Pro usage is billed by the second beyond the monthly plan
  • Hobby sessions are limited to 1 hour and 20 concurrent sandboxes
  • Advanced observability and signed webhooks are enterprise features

• microsandbox — where it wins

  • Hardware-isolated microVMs with a separate kernel per sandbox
  • SDKs for Rust, TypeScript/Node, Python, and Go
  • Local, cloud, and BYOC execution with network controls

  Where it doesn't

  • Free plan is limited to 3 total sandboxes
  • Cloud access is in private beta and available by request
  • Enterprise pricing uses a custom agreement

• E2B9.8/10 · Free plan · paid from $150/mo

  Production-grade isolation, flexible controls, and SDK access for AI code execution.

  Visit E2BFull verdict →
• microsandbox9.0/10 · Free plan · paid from $49/mo

  Flexible sandbox infrastructure for teams running high-volume isolated workloads.

  Visit microsandboxFull verdict →