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Runtime
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Up to 6× cheaperagent sandboxes.

Start free, no card
100,000 agent runs a month100,000 one-minute agent runs a month on 2 vCPU and 4 GiB, at each provider's published rates.How it's worked out →

  • Runtime$64

  • Vercel$212

  • E2B$276

  • Daytona$276

  • Blaxel$345

  • Modal$397

Integrations

Next to the namesyou know.

RuntimeE2BDaytonaVercelModal
Cost a month100,000 one-minute agent runs$64$276$276$212$397
Bills only the CPU used
Own kernel per sandbox
Pause keeps memoryNot published
Fork a running sandboxNot publishedNot published

The full comparisons

Built for agents.Everything they need.

  1. 01A full Linux machineIts own kernel, with root, Docker and any language.
    $ uname -r6.1-runtime$ whoamiroot$ python3 -V3.12$ docker run -d app
  2. 02Private preview linksOnly people who have the link can open it.
    3000-a1f8.runtimehost.com
  3. 03Copy it mid-runThe copy starts with everything in its memory.
    sbx-a1f8
  4. 04Secrets stay outsideIt sees a placeholder; the real key is added as requests leave.
    sandboxOPENAI_API_KEYplaceholderon the way outapi.openai.comAuthorization
  5. 05Only hosts you allowIt can reach only the hosts you name.
    sandboxpypi.org*.pythonhosted.orggithub.comeverything else
  6. 06Pauses when idleIt pauses when idle and wakes on the next request, memory kept.
    00:0012:0024:00

Keep your code.Change one line.

  1. 01Sign inStart free, no card.Start free
  2. 02Change one lineIn agent.ts.
    Removed: import { Sandbox } from "e2b";Added: import { Sandbox } from "withruntime/e2b";
  3. 03It runsSame code, a smaller bill.✓ Live on Runtime

Ready for production.From your first sandbox.

29,000+

SDK installs last month, on npm and PyPI

  • FirecrackerThe isolation behind AWS Lambda
  • Your own keyEncrypted per organization
  • Secrets stay outsideAdded on the way out
  • SSO and audit logSAML, OIDC and SCIM

Questions.Answered.

Anything else? Ask us

Why is it so much cheaper?

E2B and Daytona bill every CPU a sandbox holds. We bill the CPU your code uses, so time waiting on a model costs almost nothing. No plan fee. More

What does an idle sandbox cost?

Only storage. It pauses itself after 300 seconds idle, memory kept, and wakes on the next request. More

Do I have to rewrite my code?

No. Code for E2B, Daytona, Vercel Sandbox or Blaxel runs by changing one import. More

What do I get free?

The Free plan, no card: sandbox hours, an App, CI minutes and function calls every month. More

How is each sandbox kept apart?

Each one is a Firecracker microVM with its own kernel, on servers we run. More

Your next bill,up to 6× smaller.

Start free, no card
Start free, no card