Table of Contents
- Why people look for a Railway alternative
- First, decide which Railway you are replacing
- App hosting: seven Railway alternatives that work
- Agent compute: replacing Railway Sandboxes
- The cheapest Railway alternative for always-on agents
- When staying on Railway is the right call
- FAQ: Railway alternatives in 2026
- Is there a free version of Railway in 2026?
- Which Railway alternative is cheapest?
- What is the best Railway alternative for AI agents?
- Do you need Docker to leave Railway?
- Run your agents on a $4.76 sandbox
Do not index
The best Railway alternative in 2026 depends on which Railway product you are replacing. For classic app hosting on railway.com, Render, Fly.io and Koyeb are the serious candidates, and a self-managed Coolify box on a ~$24 VPS runs the cheapest of them close with nobody able to reprice you. For Railway Sandboxes, the agent-execution product Railway shipped in September 2026, dedicated sandbox platforms run the same workload for a fraction of the cost: Agent37 keeps an always-on 2 vCPU / 4 GB agent sandbox running for $4.76 a month. This guide compares both groups, with every price checked against the provider's own pricing page on October 16, 2026.
Why people look for a Railway alternative
Railway (railway.com, the deployment platform, not anything to do with trains) is one of the best-liked developer platforms of the decade. It reports more than 50 million builds a month and over 12,000 new users a day. People still leave, and the reasons repeat across every comparison page, Reddit thread and Hacker News discussion we reviewed:
- Usage bills are hard to forecast. Railway meters vCPU at about $20 per vCPU-month and RAM at about $10 per GB-month, per second, on top of a plan fee that itself includes a matching amount of usage credit. The model is fair, but competitors built entire marketing campaigns on "flat pricing vs usage bills" because enough users have opened a bigger invoice than they expected. Railway now ships account-level usage limits, which cap the damage but also stop your app when you hit them.
- Free-tier whiplash. Railway removed its free Starter plan in August 2023, citing abuse, and brought back a minimal free plan in August 2025 ($1 of non-rollover credit a month). A three-year-old Reddit thread about the removal still earns a page-one sitelink for this keyword, which tells you how long that trust takes to rebuild.
- The May 2026 outage. Google Cloud auto-suspended Railway's production GCP account on May 19, 2026, and the platform was down for roughly 8 hours. Even workloads on Railway's own Metal hardware returned 404s once edge caches expired, because the routing control plane still lived on GCP. Railway published an honest incident report and admitted the mesh "was not truly redundant," but the thread hit 560 points on Hacker News and the memory lingers.
- Support is community-first. There is no email support. Hobby users get community answers with no response-time promise, Pro gets roughly 72-hour responses, and real SLOs start at $5,000 a month of spend.
- Four regions, no GPUs. US West, US East, Amsterdam and Singapore. If your users are in São Paulo, Sydney or Mumbai, or your workload needs a GPU, Railway has no answer today.
None of these make Railway a bad platform. They define what to shop for in a replacement: predictable pricing, a real free tier, independent infrastructure, and coverage where Railway has gaps.
First, decide which Railway you are replacing
Railway sells two different kinds of compute in 2026, and the right alternative is different for each.
The app platform is the classic product: push a repo, get a URL, add Postgres or Redis from the same dashboard. Services bill at roughly $20 per vCPU-month and $10 per GB of RAM-month, metered per second, with volumes at $0.15 per GB and egress at $0.05 per GB. If this is what you use Railway for, your alternatives are other app platforms, and they are covered in the next section.
Railway Sandboxes is the newer product, generally available since September 18, 2026: isolated, ephemeral Linux VMs built for coding agents and untrusted code, with Claude Code, Codex, OpenCode and Pi preinstalled, plus checkpoints and forks for parallel agent runs. Sandboxes bill at a much higher rate than ordinary services: about $50 per GB-month of memory in use and $50 per vCPU-month of CPU actually used. Railway's own example prices a 20-minute agent task at about $0.03, which is great for short bursts. Keep a sandbox alive around the clock, though, and an agent that actually holds its 4 GB of memory runs roughly $200 a month before CPU (Railway bills memory in use, not allocated). Idle sandboxes keep billing memory until the idle timeout destroys them. If you run agents, that is the number to beat, and the sandbox section below beats it by a wide margin.
One more distinction worth naming: Railway's sandboxes are ephemeral by design. Checkpoints and forks are clever, but state you did not checkpoint dies with the sandbox. Platforms built for persistent agents keep the filesystem, memory and sessions alive between runs instead.
App hosting: seven Railway alternatives that work
For a fair comparison we priced the same workload everywhere: one always-on service with 2 vCPU and 4 GB of RAM, running the full 730-hour month. List prices, default US region, no credits.
Platform | 2 vCPU / 4 GB always-on | Free tier | Billing model |
Koyeb | $21.43/mo (eco-large) | 1 small service (in flux) | Per-second usage |
Coolify or Dokploy + VPS | ~$24/mo (e.g. a $24 DigitalOcean droplet) | Software is free | You pay for the VPS |
Fly.io | ~$25/mo shared, $66 dedicated | None for new accounts | Per-second usage |
DigitalOcean App Platform | $50/mo (incl. 250 GiB transfer) | 3 static sites | Fixed per container |
Railway (for reference) | up to ~$80/mo at list rates | $1/mo credit | Per-second usage |
Render | $85/mo (Pro instance) | 750 instance hours, sleeps | Fixed per instance |
Heroku | $150/mo (Fir, gated); no Cedar match, closest is $250 for 2.5 GB | None | Fixed per dyno |
Render is the closest one-to-one swap: git-push deploys, managed Postgres, predictable flat instance prices. You pay for that predictability. The $85 Pro instance covers what Railway bills closer to $80 at full usage, and Render's included bandwidth shrank sharply when it moved to flat $25 Pro workspaces in April 2026 (legacy workspaces were migrated that August). Pick it if forecastable invoices matter more than the absolute number.
Fly.io is the closest to Railway's usage-billed model: Firecracker microVMs in 30+ regions, per-second billing, scale-to-zero. A shared 2 vCPU / 4 GB machine comes to about $25 a month. The trade is ops: you will touch
fly.toml and think about regions. There is no free tier for new organizations anymore, just a short trial.Koyeb is the cheapest hosted match at $21.43 for an eco-large, with per-second billing and EU/US/Singapore regions. One caveat: Koyeb announced in February 2026 that it is joining Mistral AI, and its roadmap now points at AI infrastructure. The free tier still appears in the docs but treat it as not guaranteed.
DigitalOcean App Platform charges $50 for the shape but includes 250 GiB of transfer, which makes it the bandwidth-heavy pick. Heroku no longer competes on price at all: the 2 vCPU / 4 GB shape exists only as a $150 Fir dyno inside a gated Private Space. Coolify and Dokploy give you the Railway experience on your own VPS: the software is free and open source, a capable 2 vCPU / 4 GB VPS costs about $24, and nobody can change your pricing. You carry the pager.
Agent compute: replacing Railway Sandboxes
This is the comparison no ranking page makes, and it is where the money is. Same benchmark, harder test: a 2 vCPU / 4 GB sandbox that stays up 730 hours a month, the shape of a persistent coding agent rather than a 20-minute job. Compute at list rates, verified October 16, 2026.
Platform | Always-on 2 vCPU / 4 GB, monthly | Can it run always-on? | Isolation |
$4.76 (incl. 4 GB disk) | Yes, built for it | gVisor, or full VM at $11.36 | |
exe.dev | $15 flat (Personal pool) | Yes | Full VMs |
Fly.io Machines | ~$25 shared | Yes | Firecracker microVM |
Cloudflare (standard-3: 2 vCPU/8 GiB) | ~$66 to $161 + $5 base (CPU-dependent) | Yes (sleeps when idle) | microVM |
Vercel Sandbox | ~$81 to $249 (CPU-dependent) | 24 h sessions, resumable | Firecracker microVM |
Daytona | $120.89 | Yes (auto-stop can be disabled) | Containers by default, VMs optional |
E2B | $120.89 + $150/mo Pro plan | No, 24 h session cap | Firecracker microVM |
Modal Sandboxes | $173.72 | No, 24 h hard max | gVisor, or VM runtime |
Railway Sandboxes | ~$200 to $300 (CPU-dependent) | Billed until destroyed | Linux VM (hypervisor undisclosed) |
Three things jump out of that table.
First, the dedicated sandbox APIs built for burst workloads (E2B, Modal, Vercel) all cap sessions at 24 hours. They are excellent for CI-style agent runs and poorly shaped for an agent that needs to be alive when a message arrives. Vercel's persistent sandboxes resume where they stopped and E2B's pause preserves full state, but a session still has to restart at least daily, and a paused sandbox cannot answer an incoming message until something outside it wakes it up.
Second, Railway Sandboxes is the most expensive option here for persistent work, which is unsurprising: Railway prices it for minutes-long tasks, and at that duty cycle it is genuinely cheap. The mismatch only appears when agents stop being batch jobs.
Third, the cheap end of the table belongs to platforms that treat an agent as a long-lived computer instead of a function call. That is a different architecture: persistent filesystem, auto-sleep instead of session caps, per-minute metering from a prepaid balance that simply stops at zero rather than surprising you at the end of the month.
The cheapest Railway alternative for always-on agents
Agent37 is built around exactly that architecture, and we will be upfront about the trade before the pitch: Agent37 is not an app platform. There is no managed Postgres, no git-push deploy pipeline. If you are moving a Django app off Railway, pick Render or Fly from the section above. If you are running agents, here is what the money buys:
- $0.80 per vCPU, $0.70 per GB of RAM and $0.09 per GB of disk per 730-hour month, metered by the minute from a prepaid balance. The standard 2 vCPU / 4 GB sandbox with 4 GB of disk costs $4.76 for a full month of running time. No plan fee, no seats. Against Railway Sandboxes' roughly $200 to $300 for the same always-on shape, that is more than 40x cheaper.
- Sleep costs almost nothing. Opt a sandbox into auto-sleep (it is off by default) and the platform checkpoints it when idle, releases CPU and memory, and bills disk alone: a sandbox awake one hour a day costs about $0.54 a month, and the entry shape's 4 GB disk is $0.36 a month while it sleeps. A request to the sandbox's URL wakes it in seconds.
- Two isolation levels. Default sandboxes run under gVisor with their own filesystem and hard disk quotas. Workloads that need Docker, Kubernetes or a real kernel can use full VM instances with KVM hardware virtualization at 2.5x the compute rate, $11.36 a month for the entry shape. Our microVM vs container breakdown explains when each is the right call.
- Agent harnesses preinstalled. Like Railway Sandboxes, templates ship with the popular agent harnesses: the Hermes agent, OpenClaw, Claude Code, Codex, OpenCode and more, each behind one API with files, memory and sessions that persist until you delete the instance.
- The guarantee is on the pricing page: "Find a cheaper sandbox? We'll refund the difference." The same page compares more than 30 providers at their published rates, Railway Sandboxes included, and claims 94% lower cost than most sandbox providers. Those are list-rate price comparisons, not performance benchmarks, so read them as such.
- Credibility, since you should ask: backed by Y Combinator, SOC 2 Type I audited with Type II in progress, and powering live customer products from Boon, Perflo, ApolloClaw and Leni Health, among others. The honest downside at these prices: support is handled by an AI assistant first, not a human help desk.
New workspaces get a $5 starter credit after adding a card, and nothing is charged until you top up. That credit covers just over a month of the $4.76 entry sandbox.
When staying on Railway is the right call
An honest comparison cuts both ways. Keep Railway if:
- You deploy full-stack apps and love the DX. Push-to-deploy, managed Postgres, MySQL, Redis and Mongo with backups, private networking, cron and object storage in one dashboard is a genuinely great product, now running on Railway's own Metal hardware.
- Your team is big and your compute is small. Pro is $20 per workspace with unlimited seats. Render charges $25 flat but meters bandwidth harder.
- Your agent tasks really are minutes long. At a 20-minute duty cycle, Railway Sandboxes' burst pricing is cheap, and checkpoints plus forks make parallel agent experiments pleasant.
- You want one bill for the app, the database and the occasional sandbox, and the usage-limit controls give you enough cost safety.
The pattern across this whole page: Railway is a strong generalist, and every alternative wins by being a specialist. Price out your actual duty cycle before you move.
FAQ: Railway alternatives in 2026
Is there a free version of Railway in 2026?
Yes, a small one. New accounts get a one-time $5 trial credit valid for 30 days with no card, then drop to a Free plan with $1 of non-rollover usage credit per month, enough for roughly a twentieth of a vCPU running continuously, before counting RAM. Railway also offers anonymous throwaway VMs via
ssh railway.new. For comparison, Render's free tier gives 750 instance hours with sleep-on-idle, and Agent37's Cloud API has no free tier but a $5 starter credit once a card is on file.Which Railway alternative is cheapest?
For app hosting, Koyeb at $21.43 a month for an always-on 2 vCPU / 4 GB service, or about $24 self-hosting Coolify on a VPS. For agent sandboxes, Agent37 at $4.76 a month for the same always-on shape, roughly a third of the next-cheapest option (exe.dev at $15) and more than 40x below Railway Sandboxes' list rates. Our sandbox pricing guide walks the full 15-provider math.
What is the best Railway alternative for AI agents?
It depends on the duty cycle. For short burst tasks, E2B, Daytona and Modal are mature sandbox APIs, compared in detail in our E2B alternatives and Daytona alternatives guides. For agents that stay alive, Agent37 is the only option in our table under $15 a month with persistence built in rather than bolted on through snapshots.
Do you need Docker to leave Railway?
Mostly no. Render, Koyeb and DigitalOcean build from your repo with buildpacks or Dockerfiles, whichever you have. Fly.io works best with a Dockerfile. Coolify and Dokploy run Docker under the hood but generate the configuration for you. Agent37 Cloud provisions instances from ready-made templates or a custom Dockerfile build, so a Dockerfile helps but is not required to start.
Run your agents on a $4.76 sandbox
If the Railway product you are outgrowing is Sandboxes, the switch is one API call:
POST /v1/instances on Agent37 Cloud provisions an always-on agent sandbox from a template, and the $5 starter credit (unlocked once you add a card, nothing charged) covers your first month. And if what you actually want is a personal agent that is simply always there, Agent37's managed hosting starts free with a sleeping agent and runs always-on from $3.99 a month.Written by
Founder at Agent37, which runs managed hosting for OpenClaw and Hermes agents for 1,000+ users. Writes about what actually breaks when you leave an AI agent running.