Blaxel

provider: "blaxel"

Billed on memory only ($0.0000115/GB-s), CPU scales with memory (~2 GB per core).

List price per hour

1 vCPU · 2 GB	$0.083
2 vCPU · 4 GB	$0.166
4 vCPU · 8 GB	$0.331
8 vCPU · 16 GB	$0.662
16 vCPU · 32 GB	max 8 vCPU
32 vCPU · 128 GB	max 8 vCPU

Source: blaxel.ai, 2026-11-04 (an estimate, not a bill)
Billing: the size you ask for, while it runs
Plan: none needed

Adapter

Supports: Exec + streaming · Files · Custom image
Max size: 8 vCPU · 16 GB
Routing: Chosen when it's the cheapest fit, or as a fallback
Docs: docs.blaxel.ai

Measured on real accounts

Real-account check: 13 / 13 steps; 2026-11-13
Cold start: not published; see the note below
Succeeded: not published; see the note below
Size you get: not published; see the note below
Billed vs list price: not published; see the note below

Speed, size and billing results for Blaxel aren't published here: Blaxel's terms (§2.6(f)) don't allow publishing benchmarks or performance information about it. Its list price above comes from its public pricing page, and the router works with it like any other provider; run sandboxrouter bench --provider blaxel on your own account to see its numbers.

Real-account check, step by step

13 of 13 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: streamingpassed
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 resumen/a
killpassed
killed sandbox is gonepassed

setup

npm i @sandboxrouter/sdk @blaxel/core
export BL_API_KEY=...
export BL_WORKSPACE=...

use Blaxel

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

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