Beam

provider: "beam"

Per second, Performance tier (sandbox default); Developer plan $20/mo incl. $20 credits; GPUs billed separately.

List price per hour

1 vCPU · 2 GB	$0.070
2 vCPU · 4 GB	$0.140
4 vCPU · 8 GB	$0.280
8 vCPU · 16 GB	$0.560
16 vCPU · 32 GB	$1.12
32 vCPU · 128 GB	max 30 vCPU

Source: www.beam.cloud, 2026-11-04 (an estimate, not a bill)
Billing: the size you ask for, while it runs
Plan: $20/mo (credited): Developer plan; no free plan

Adapter

Supports: Exec + streaming · Files · Custom image
Max size: 30 vCPU · 64 GB
Routing: Chosen when it's the cheapest fit, or as a fallback
Docs: docs.beam.cloud

Measured on real accounts

Real-account check: not run yet; tested against a mock of its API only
Cold start: not measured; no benchmark run yet
Succeeded: not measured; no benchmark run yet
Size you get: not measured; no cost run yet
Billed vs list price: not measured; no cost run yet

Help verify Beam

Have a Beam 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 check --provider beam --save --by YOUR_GITHUB_USERNAME
npx @sandboxrouter/sdk bench --provider beam --runs 5 --share --label "your city or cloud region" --by YOUR_GITHUB_USERNAME
npx @sandboxrouter/sdk cost run --provider beam --minutes 10 --by YOUR_GITHUB_USERNAME

Real-account check, step by step

Not run on a real account yet; the adapter is tested against a mock of Beam's API.

setup

npm i @sandboxrouter/sdk @beamcloud/beam-js
export BEAM_TOKEN=...
export BEAM_WORKSPACE_ID=...

use Beam

import { Router } from "@sandboxrouter/sdk";

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