E2B alternatives
19 other sandboxes and building blocks. Listed alphabetically, not ranked. Compare directly: E2B vs Daytona, E2B vs Modal, E2B vs Vercel Sandbox.
| Service | Isolation | Self-host | Free tier |
|---|---|---|---|
| Blaxel | Hardware-isolated microVM | Unknown | Up to $200 free credits; tier 0 = 10 sandboxes |
| Cloudflare Sandboxes | Containers: microVM with own kernel; or Dynamic Workers (JS/Python/Wasm isolates) | Unknown | No - requires Workers Paid plan |
| CodeSandbox SDK | Unknown | Unknown | Unknown |
| Daytona | Linux container by default; optional Linux VM, Windows VM, macOS, GPU classes | Unknown | $200 free compute |
| Firecracker | microVM | Yes | Free (open source) |
| Fly.io Sprites | Unknown | Unknown | $30 trial credit for new orgs |
| Freestyle | Unknown | Unknown | Free $0: 10 concurrent VMs, 200 vCPU-h/mo included |
| gVisor | User-space kernel intercepting syscalls | Yes | Free (open source) |
| Kata Containers | Lightweight VM per container (QEMU, Cloud-Hypervisor, Firecracker) | Yes | Free (open source, Apache 2) |
| Kubernetes agent-sandbox | Unknown | Yes | Free (open source) |
| LangSmith Sandboxes | Unknown | Unknown | Unknown |
| microsandbox | Hardware-isolated microVM with own kernel | Yes | Local use free; cloud private beta |
| Modal Sandboxes | gVisor by default; optional VM runtime with own kernel | No | Starter $0 incl. $30/mo compute |
| Morph Cloud | Unknown | Unknown | Unknown |
| Northflank | Unknown | Unknown | Sandbox tier: 2 free services, 1 DB |
| Riza | WebAssembly isolation | Yes | Hobby: 100,000 requests/mo, 30s limit |
| Runloop | Unknown | Unknown | $50 usage credit trial, 3 running devboxes |
| Together Code Sandbox | VM (memory snapshots) | Unknown | Unknown |
| Vercel Sandbox | Firecracker microVM | Unknown | Hobby: 5 active-CPU h/mo, 420 GB-h memory, 10 concurrent |