E2B vs Anthropic Sandbox Runtime

E2B9.8Visit ASAnthropic Sandbox Runtime7.1Visit

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

AS Anthropic Sandbox Runtime #6 in Sandbox Software 7.1/10 Open source ✓ 2 of 3 features View Anthropic SRT

• E2B fits best

  AI apps needing production-grade code sandboxes

• Anthropic Sandbox Runtime fits best

  Engineers wanting open-source cross-platform controls

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Side by side

Feature	E2B 9.8/10 Visit ↗	ASAnthropic Sandbox Runtime 7.1/10 Visit ↗
At a glance
Editor score	9.8	7.1
Ranking	#1 in Sandbox Software	#6 in Sandbox Software
Best for	AI apps needing production-grade code sandboxes	Engineers wanting open-source cross-platform controls
Pricing model	Free plan + paid	Free
Starting price	$150/mo	Not published
Free plan	✓ (best)	Not published
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Web, Linux	Windows, macOS, Linux
Support	Email, Docs	Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features E2B 3/3 · Anthropic Sandbox Runtime 2/3
Persistent storage	✓ (best)	Not published
Network controls	✓	✓
API or CLI access	✓	✓
Specs
Isolation method	Snapshot	Container
Concurrent environments	100 environments	Not published
Deployment	Both	Self_hosted
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	CLI wraps arbitrary commands with sandbox restrictions Filesystem, domain, proxy, and Unix socket controls Supports macOS, Linux, Windows, and API workflows
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	Self-hosted deployment requires operational ownership Documentation is the listed support channel Described as a beta research preview
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 →	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 →

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

• 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

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

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

  Visit E2BFull verdict →
• ASAnthropic Sandbox Runtime7.1/10 · Open source

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

  View Anthropic SRTFull verdict →