The short answer
- WebContainers (StackBlitz)'s community migration guide moves 1 kind of data in full; 3 things stay behind. What moves
- 1 public account of making this switch: 1 switched. Read them
What E2B and WebContainers (StackBlitz) cost
List prices from each vendor's pricing page, as stored in the Stackcut catalog. Each price links its source.
| Plan | Billed monthly | Billed yearly (per month) | What you get |
|---|---|---|---|
| E2B Pro | $150/mo | not shown | $150/month plus usage billed per second: default sandbox 2 vCPU + 4 GiB = $0.000046/s ($0.1656/hour; vCPU $0.000014/s each, RAM $0.0000045/GiB-s); sessions up to 24 hours; 100 concurrent sandboxes (600 for +$500/month, 1,100 for +$1,000/month); 20 GiB storage free; custom CPU/RAM |
- E2B free plan: Hobby: $0/mo with a $100 one-time usage credit; sessions up to 1 hour; 20 concurrent sandboxes; default CPU/RAM e2b.dev
WebContainers (StackBlitz)'s plans aren't in the Stackcut catalog yet; check WebContainers (StackBlitz)'s own site.
Moving from E2B to WebContainers (StackBlitz)
What WebContainers (StackBlitz)'s importer carries over, what it leaves behind, and any help it offers switchers.
To WebContainers (StackBlitz)
Community guide mintlify.com · Tools: WebContainer API
Moves: Generated source files (full). mintlify.com
Doesn't move: Server-side Python and non-Node runtimes; E2B template images and pre-warmed dev servers; Any state that lived inside E2B sandboxes. mintlify.com
Watch out for:
- WebContainers run entirely in the browser — no server-side Python, no arbitrary system binaries mintlify.com
- ZapDev's docs keep E2B only for what remains server-side; WebContainers fit front-end frameworks (Next.js, React, Vue, Svelte, Angular) mintlify.com
- ZapDev creates E2B sandboxes with a 10-minute timeout and kills them in a finally block — copy anything you need out before cleanup runs mintlify.com
From each destination's own migration docs and switching pages, plus community write-ups where no official guide exists, each checked against its page. Confirm terms on the linked page before you rely on an offer.
People who moved from E2B to WebContainers (StackBlitz)
1 public accounts of leaving E2B: 1 switched. Summaries are ours; each links the original, and each was checked against its page before it appeared here.
ZapDev, an AI app builder, migrated its generated front-end previews from E2B sandboxes to StackBlitz WebContainers. Its docs cite 5–10s sandbox creation and $0.01–0.05 per session as the reasons, and report sub-100ms startup and zero per-session cost after the switch. ZapDev (Mintlify)
FAQ
Can I move my E2B data to WebContainers (StackBlitz)?
WebContainers (StackBlitz)'s community guide moves: Generated source files. It doesn't move: Server-side Python and non-Node runtimes; E2B template images and pre-warmed dev servers; Any state that lived inside E2B sandboxes. mintlify.com
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find_alternatives({"vendor": "E2B"})