E2B vs Vercel Sandbox
| E2B | Vercel Sandbox | |
|---|---|---|
| Isolation | Firecracker microVM | Firecracker microVM |
| Cold start | 150ms | 400ms |
| Price / vCPU-hr | $0.05 | $0.128 |
| GPU | No | No |
| Session limit | Up to 24h | 45min (Hobby) / 24h (Pro) |
| Persistence | Pause/resume with memory state, snapshots | Persistent by default |
| MCP support | — | — |
| Free tier | $100 one-time credit (Hobby) | Included allowance on Hobby |
| Best for | Teams that want the cleanest SDK and strong microVM isolation for agent code execution. | Teams already on Vercel building JS/TS AI apps. |
The verdict
Choose E2B if teams that want the cleanest sdk and strong microvm isolation for agent code execution. Choose Vercel Sandbox if teams already on vercel building js/ts ai apps.
Headline rates rarely equal your bill — idle time, session length, creation fees and GPU minutes dominate. Model your actual workload in the cost calculator.
FAQ
E2B vs Vercel Sandbox: which is better?
It depends on your priority. E2B has the faster cold start (150ms vs 400ms), while E2B is cheaper per vCPU-hour. E2B is best for teams that want the cleanest sdk and strong microvm isolation for agent code execution. Vercel Sandbox is best for teams already on vercel building js/ts ai apps.
Is E2B or Vercel Sandbox cheaper?
E2B is cheaper on the headline vCPU-hour rate ($0.05 vs $0.128). Total cost depends on idle time, session length and creation fees — use the cost calculator to model your workload.
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