Railway Sandboxes free tier includes $1 of free credit a month on Railway's Free plan, after a one-time $5 grant on the 30-day trial… Not verified — our last read, on 2026-11-09, found a change we could not reconcile. Compare with 5 alternatives in Cloud Hosting.
Subtypes in Cloud Hosting: agent_sandbox — isolated execution environments provisioned programmatically, sold for AI agent workloads. We read that on 2026-11-03 from https://docs.railway.com/sandboxes, where it says: “Sandboxes are isolated Linux VMs you create on demand, run commands in, and destroy.” How we use this.
Railway Sandboxes's free tier offers $1 of free credit a month on Railway's Free plan, after a one-time $5 grant on the 30-day trial; the credit is shared… We are not rating this offer today; this page's Last read note says why.
$1 of free credit a month on Railway's Free plan, after a one-time $5 grant on the 30-day trial; the credit is shared with other Railway usage and does not roll over. Sandboxes are isolated Linux VMs for coding agents, test runs or code execution, managed by SDK, CLI, dashboard or API, with Claude Code, Codex, OpenCode and Pi preinstalled. Free and Trial plans allow 10 sandboxes per environment, each up to 2 vCPU and 2 GB. The idle timeout is at most 5 minutes, after which Railway destroys the sandbox. Rates are $50 per vCPU-month and $50 per GB-month for CPU used and memory in use, metered per second, and egress at $0.05 per GB; a 20-minute task averaging 1 GB of memory and 30% of one vCPU costs about 3 cents. Hobby costs $5 a month with $5 of usage, allows 50 sandboxes per environment up to 8 vCPU and 8 GB, and an idle timeout up to 120 minutes or off.
Free 10
No recorded pricing changes for Railway Sandboxes. We publish no change we refused to record, so treat the empty history as a statement about our records, not about this vendor's pricing.
How Railway Sandboxes compares against every one of the 5 we list, not against a selection of them. A surface with room for every member of a tied set may rotate their order. A surface with room for only some of them names none of them, because which ones it named would be the claim, and a claim seeded on the date is not the one we serve tomorrow. How we decide this.
| Service | Free Tier | Stability |
|---|---|---|
| Railway Sandboxes | Free | unrated |
| Vercel Sandbox | Hobby Isolated Linux microVMs for running untrusted or agent-generated code, metered by active CPU, memory, sandbox creations and data transfer. The Hobby plan includes each month at no cost: 5 hours of Active CPU, 420 GB-hours of provisioned memory, 5,000 sandbox creations and 20 GB of data transfer,… |
stable |
| PandaStack | Free Free tier with $5.40/mo usage credit. No card. |
unrated — change unconfirmed |
| Fly.io Sprites | Free Credits $30 in free trial credit, one per user and at most one per org. Sprites are persistent, hardware-isolated Linux VMs on Fly.io for AI agents, dev environments and untrusted code, with sign-in through a Fly.io account. |
stable |
| Cloudflare Dynamic Workers | Paid Runtime sandbox for executing AI-generated code in V8 isolates: a Worker can create new Workers at runtime from code supplied on the fly. Only available on the Workers Paid plan (minimum $5 a month per account). |
unrated |
| Cloudflare Sandboxes | Pay-per-use Persistent isolated Linux environments for AI agents — shell, filesystem, background processes. GA April 2026. |
source unconfirmed |
Left out of this list: Vercel (shares no subtype with this product), Render (shares no subtype with this product), Cloudflare Workers (shares no subtype with this product), Netlify (shares no subtype with this product), Cloudflare Pages (shares no subtype with this product), Railway (shares no subtype with this product), Fly.io (shares no subtype with this product), Deno Deploy (shares no subtype with this product), Val Town (shares no subtype with this product), Koyeb (shares no subtype with this product), Cloudflare Durable Objects (shares no subtype with this product), GitHub Pages (shares no subtype with this product), PythonAnywhere (shares no subtype with this product), ampt.dev (shares no subtype with this product), anvil.works (shares no subtype with this product), Apply.build (shares no subtype with this product), Clever Cloud (shares no subtype with this product), Choreo (shares no subtype with this product), codenameone.com (none of this category's subtypes apply), Daestro (shares no subtype with this product), domcloud.co (shares no subtype with this product), encore.dev (shares no subtype with this product), Ravion (shares no subtype with this product), gigalixir.com (shares no subtype with this product), leapcell (shares no subtype with this product), Northflank (shares no subtype with this product), WunderGraph (none of this category's subtypes apply), YepCode (none of this category's subtypes apply), Activepieces (none of this category's subtypes apply), Back4App (shares no subtype with this product), bismuth.cloud (we have not classified this record), Claw.cloud (we have not classified this record), connectycube.com (none of this category's subtypes apply), ETLR (none of this category's subtypes apply), Flutter Flow (none of this category's subtypes apply), IFTTT (none of this category's subtypes apply), Integrately (none of this category's subtypes apply), LeanCloud (shares no subtype with this product), paraio.com (shares no subtype with this product), simperium.com (shares no subtype with this product), Alwaysdata (shares no subtype with this product), Awardspace.com (shares no subtype with this product), Bubble (shares no subtype with this product), dAppling Network (shares no subtype with this product), FreeFlarum (shares no subtype with this product), Sevalla (formerly Kinsta) (shares no subtype with this product), MDB GO (shares no subtype with this product), Neocities (shares no subtype with this product), Oaysus (we have not classified this record), pantheon.io (shares no subtype with this product), Qoddi (shares no subtype with this product), readthedocs.org (shares no subtype with this product), Serv00.com (shares no subtype with this product), surge.sh (shares no subtype with this product), tilda.cc (shares no subtype with this product), Versoly (shares no subtype with this product), Google Cloud Run (shares no subtype with this product), OpenVPS (we have not classified this record). Each is still listed in Cloud Hosting, with the vendor's own words we read that from on its page. How we decide this.
We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.
curl https://agentdeals.dev/api/changes?vendor=Railway%20Sandboxes
curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Railway%20Sandboxes