sandboxrouter
← Providers

Agent37

provider: "agent37"

Whole-minute billing: monthly shape total / 730 / 60; running estimate includes default disk (2 vCPU / 4 GB / 4 GB disk = $4.76/mo); sleeping/stopped disk $0.09/GB-mo; gVisor; $5 minimum top-up, wallet must hold one running day.

List price per hour

1 vCPU · 2 GB$0.006
2 vCPU · 4 GB$0.006
4 vCPU · 8 GB$0.013
8 vCPU · 16 GBmax 4 vCPU
16 vCPU · 32 GBmax 4 vCPU
32 vCPU · 128 GBmax 4 vCPU
Source
www.agent37.com, 2026-11-13 (an estimate, not a bill)
Billing
the size you ask for, while it runs
Plan
none needed

Adapter

Supports
Exec + streaming · Files · Pause · Custom image
Max size
4 vCPU · 32 GB
Routing
Chosen when it's the cheapest fit, or as a fallback
Docs
www.agent37.com

Measured on real accounts

Real-account check
14 / 14 steps
2026-11-13
Cold start
759 ms
median, 1 location
Succeeded
100%
of benchmark sandboxes
Size you get
not measured
no cost run yet
Billed vs list price
not measured
no cost run yet

Help verify Agent37

Have a Agent37 account? These run real sandboxes on it, for a few cents at most, and write result files that fill in the blanks above. Results never include your keys. Run them in a clone of the repo and open a pull request with the files: CI checks every file for keys and impossible numbers, and a maintainer reviews each one before it shows here.

terminal
npx @sandboxrouter/sdk cost run --provider agent37 --minutes 10 --by YOUR_GITHUB_USERNAME

Real-account check, step by step

14 of 14 steps passed on a real account, 2026-11-13 (v0.7.0).

  • createpassed
  • exec: stdout, stderr, exit codepassed
  • exec: env and cwdpassed
  • exec: UTF-8 outputpassed
  • exec: streamingoutput arrived only at the end (no live streaming)passed, with a note
  • files: binary round-trippassed
  • files: 1 MB round-trippassed
  • files: missing file is an errorpassed
  • files: visible to commandspassed
  • exec: command timeoutpassed
  • exec: timed-out command was stoppedpassed
  • pause and resumepassed
  • killpassed
  • killed sandbox is gonepassed
setup
npm i @sandboxrouter/sdk
export AGENT37_API_KEY=...
use Agent37
import { Router } from "@sandboxrouter/sdk";

const router = new Router();
const sbx = await router.create({}, { provider: "agent37" });
await sbx.exec("uname -a", { onStdout: (c) => process.stdout.write(c) });
await sbx.kill();