E2B vs Sandlock

E2B9.8Visit Sandlock7.3Visit

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

Sandlock #5 in Sandbox Software 7.3/10 Free plan Free plan✓ 3 of 3 features Visit Sandlock

• E2B fits best

  AI apps needing production-grade code sandboxes

• Sandlock fits best

  Linux teams needing granular policy controls

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Side by side

Feature	E2B 9.8/10 Visit ↗	Sandlock 7.3/10 Visit ↗
At a glance
Editor score	9.8	7.3
Ranking	#1 in Sandbox Software	#5 in Sandbox Software
Best for	AI apps needing production-grade code sandboxes	Linux teams needing granular policy controls
Pricing model	Free plan + paid	Free plan + paid
Starting price	$150/mo	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Web, Linux	Linux
Support	Email, Docs	Email, Community, Docs
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features E2B 3/3 · Sandlock 3/3
Persistent storage	✓	✓
Network controls	✓	✓
API or CLI access	✓	✓
Specs
Isolation method	Snapshot	Not published
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	Filesystem, network, syscall, and resource controls Open source with CLI, Python, Rust, and Go SDKs OCI runtime supports containerd, CRI-O, and Kubernetes
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	Core platform coverage is Linux-only HTTP API and Scheduler pricing depends on fleet size or node count Fleet deployment features are split across commercial components
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 →	Sandlock is a Linux process sandbox for running untrusted code, aimed at teams that need policy-level control over filesystems, network access, system calls, and resource usage. Its core product is Apache-2.0 licensed and available through… 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

• Sandlock — where it wins

  • Filesystem, network, syscall, and resource controls
  • Open source with CLI, Python, Rust, and Go SDKs
  • OCI runtime supports containerd, CRI-O, and Kubernetes

  Where it doesn't

  • Core platform coverage is Linux-only
  • HTTP API and Scheduler pricing depends on fleet size or node count
  • Fleet deployment features are split across commercial components

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

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

  Visit E2BFull verdict →
• Sandlock7.3/10 · Free plan

  A deep, open-source Linux sandbox for teams that need granular policy controls.

  Visit SandlockFull verdict →