---
title: "E2B vs Vercel Sandbox: Which is Better in 2026? | App Stack Builder"
description: "E2B vs Vercel Sandbox compared for 2026 — pricing, free tiers, features, pros & cons. See which agent sandboxes & code execution tool is the better fit for your startup."
source: https://appstackbuilder.com/compare/e2b-vs-vercel-sandbox
retrieved: 2026-10-07
---

![](https://www.google.com/s2/favicons?domain=e2b.dev&sz=128)

vs

![](https://www.google.com/s2/favicons?domain=vercel.com&sz=128)

# E2B vs Vercel Sandbox: Which is Better in 2026?

Agent Sandboxes & Code Execution

Choosing between [E2B](https://appstackbuilder.com/tools/e2b) and [Vercel Sandbox](https://appstackbuilder.com/tools/vercel-sandbox)? Both are popular agent sandboxes & code execution tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Both E2B and Vercel Sandbox are strong agent sandboxes & code execution choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

## E2B vs Vercel Sandbox — Side by Side

|                | E2B                                                | Vercel Sandbox                                          |
| -------------- | -------------------------------------------------- | ------------------------------------------------------- |
| Category       | Agent Sandboxes & Code Execution                   | Agent Sandboxes & Code Execution                        |
| Pricing        | Free · paid from $150/mo                           | Free · then usage-based                                 |
| Starting price | Free tier available                                | Free tier available                                     |
| Free tier      | ✓                                                  | ✓                                                       |
| Rating         | 4.6                                                | 4.5                                                     |
| Best for       | Agent Sandboxes & Code Execution — sandbox, agents | Agent Sandboxes & Code Execution — sandbox, firecracker |

## Pros & Cons

![](https://www.google.com/s2/favicons?domain=e2b.dev&sz=128)

[E2B](https://appstackbuilder.com/tools/e2b)

* ✓Purpose-built for agents, with SDKs designed around tool calls
* ✓Fast microVM startup with real isolation
* ✓Open-source core
* ✗$150/month before any compute on the first paid tier
* ✗Hobby sessions cap at one hour
* ✗Usage billing on top of the plan makes costs harder to forecast

![](https://www.google.com/s2/favicons?domain=vercel.com&sz=128)

[Vercel Sandbox](https://appstackbuilder.com/tools/vercel-sandbox)

* ✓Active-CPU billing: idle time waiting on the model is free
* ✓Firecracker isolation with snapshots and persistent drives
* ✓Natural fit if the app already runs on Vercel
* ✗Requires a Vercel account, and Pro for serious use
* ✗Max 8 vCPUs / 16 GB below Enterprise
* ✗Many metered dimensions to model

## Key Features Compared

### E2B

* ✓Sessions up to 24 hours
* ✓100 concurrent sandboxes
* ✓Add-ons to 600 or 1,100 concurrent

### Vercel Sandbox

* ✓$0.0212 / GB-hour memory
* ✓Uses the Pro plan’s $20 credit first
* ✓24-hour sessions
* ✓10,000 concurrent sandboxes

### Choose E2B if…

* ✓You want a free tier to validate before paying.
* ✓Purpose-built for agents, with SDKs designed around tool calls
* ✓Fast microVM startup with real isolation
* ✓Open-source core
[E2B review & pricing ](https://appstackbuilder.com/tools/e2b)

### Choose Vercel Sandbox if…

* ✓You want a free tier to validate before paying.
* ✓Active-CPU billing: idle time waiting on the model is free
* ✓Firecracker isolation with snapshots and persistent drives
* ✓Natural fit if the app already runs on Vercel
[Vercel Sandbox review & pricing ](https://appstackbuilder.com/tools/vercel-sandbox)

## Frequently Asked Questions

Is E2B better than Vercel Sandbox?⌄

Both E2B and Vercel Sandbox are strong agent sandboxes & code execution choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

What is the difference between E2B and Vercel Sandbox?⌄

E2B — Open-source cloud sandboxes built for AI agents to run code in. The Hobby tier is free with $100 in credits, and Pro is $150/month plus usage. Vercel Sandbox — Firecracker microVMs on Vercel for running untrusted and AI-generated code. You pay only for active CPU time, not for the time a sandbox spends waiting on the model. Both are agent sandboxes & code execution tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

E2B vs Vercel Sandbox: which is cheaper?⌄

E2B pricing: Free · paid from $150/mo. Vercel Sandbox pricing: Free · then usage-based. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, E2B or Vercel Sandbox?⌄

In our catalog, E2B rates 4.6 out of 5 and Vercel Sandbox rates 4.5 out of 5, so E2B has a slight edge on reviews.

See more options in our guide to the [best agent sandboxes & code execution tools for startups](https://appstackbuilder.com/categories/agent-sandbox).

## Still not sure which to pick?

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