What is the best alternative to Morph?
It depends on whether live branching with memory is the point of your setup. For agents that mostly wait on a model, Runtime forks a running sandbox with its memory. It bills the CPU your code uses, so the job below costs $0.64, against $1.67 on Morph. If Infinibranch's hundreds of replicas from one machine are what you rely on, Morph remains a strong fit. Pick Daytona or Modal for GPUs, and Cloudflare Sandbox for apps on Workers.
Why do teams look beyond Morph?
Morph bills in MCUs, Morph Compute Units. One MCU covers 1 vCPU, 4 GB of memory or 16 GB of disk. A machine pays for as many MCUs as its largest need, for as long as it runs. The reasons to move come from that unit:
- The full size while it runs. A 2 vCPU machine is 2 MCUs an hour, whether its CPUs are busy or waiting on a model. Runtime measures the CPU your code uses, so waiting costs a floor of a twentieth of a vCPU.
- CPU and memory move together. A machine that needs 8 GB and 1 vCPU still pays for 2 MCUs. Runtime prices vCPUs and memory apart.
- Credit comes through plans. The Team plan is $40 a month with 1,000 MCUs of starting credit, and Scale is $250 with 7,500. Runtime is prepaid credit from $10, with 100 free hours of a 1 GB machine in the first 30 days.
Which alternatives are cheapest?
List rates, one job: 1,000 runs of 60 seconds on a 2 vCPU, 4 GiB sandbox, which spends 20 CPU-seconds of each run working. Morph needs 2 MCUs an hour for that shape and ranks sixth. The arithmetic for each line is on pricing. Plan fees, storage, network, free credits and negotiated prices are not in it.
| # | Provider | Isolation | CPU billed on | 1,000 runs |
|---|---|---|---|---|
| 1 | Runtime Cloud | Firecracker microVM, own kernel | Measured CPU, with a small floor | $0.64 |
| 2 | Northflank | microVMs for CPU work, gVisor for GPU work | Allocated vCPUs | $1.11 |
| 3 | Cloudflare Sandbox (2 vCPU, 6 GiB, 12 GB disk) | A container in its own VM | Active CPU | $1.35 |
| 4 | Prime Sandboxes (5 GiB disk) | microVM, own guest kernel | Allocated vCPUs while running | $1.52 |
| 5 | Fly Machines, performance-2x with 4 GB |
Firecracker microVM | The machine's size while started | $1.53 |
| 6 | Morph, 2 MCUs, the one you are replacing | Full virtual machines | The machine's size in MCUs | $1.67 |
| 7 | Vercel Sandbox, iad1 (4 GB) |
Firecracker microVM, own kernel | Active CPU | $2.12 |
| 8 | Freestyle (32 GiB disk) | Full Linux virtual machines | Allocated vCPUs | $2.25 |
| 9 | Fly Sprites (4 GB in use) | Firecracker microVM | Measured CPU | $2.40 |
| 10 | CodeSandbox SDK, a Nano VM | Firecracker microVM | The VM's size, by the minute rounded up | $2.48 |
| 11 | E2B | Firecracker microVM, own kernel | Allocated vCPUs | $2.76 |
| 12 | Daytona | Containers by default; VM class separate | Allocated vCPUs | $2.76 |
| 13 | Blaxel (4 GB) | Lightweight virtual machines | Included with memory, active time | $3.45 |
| 14 | Modal Sandboxes (1 physical core) | gVisor, a user-space kernel | Requested or used, whichever is higher | $3.97 |
| 15 | AWS Lambda MicroVMs, Arm | Firecracker microVM | Baseline vCPUs while running | $4.20 |
| 16 | Runloop, a MEDIUM devbox |
microVM, with a container inside | Allocated CPUs while running | $5.33 |
Cost for the same job
The working for Runtime, Morph, and two microVM providers that bill differently: one on active CPU and one on allocation.
- CPU
- 1,000 × 20 s / 3,600 × $0.025
- $0.14
- Memory
- 1,000 × 60 s / 3,600 × 4 × $0.0075
- $0.50
- Size
- 1,000 × 60 s / 3,600 × 2 MCU × $0.05
- $1.67
- CPU
- 1,000 × 20 s / 3,600 × $0.128
- $0.71
- Memory
- 1,000 × 60 s / 3,600 × 4 × $0.0212
- $1.41
- CPU
- 1,000 × 60 s / 3,600 × 2 × $0.0504
- $1.68
- Memory
- 1,000 × 60 s / 3,600 × 4 × $0.0162
- $1.08
An MCU is billed in full whether it computes or not. So with both CPUs busy for the whole minute, the job still costs $1.67 on Morph, against $1.33 on Runtime, $5.68 on Vercel, and $2.76 on E2B. Runtime remains the cheapest of the four at any load. A month of 100,000 waiting runs costs $63.89 on Runtime and $166.67 on Morph.
How each alternative serves a Morph user
1. Northflank: separate meters, lowest allocation
$0.01667 per vCPU-hour and $0.00833 per GB-hour. Memory and CPU need not grow together as MCUs do. Sandboxes are services with deployment plans, in Northflank's regions or your AWS, GCP or Azure account.
2. Cloudflare Sandbox: Workers apps
Active CPU at $0.072 per vCPU-hour, with 3 GiB per vCPU at minimum. You reach it from a Worker on the Workers Paid plan. Public-beta filesystem snapshots restore saved files after a stop. Memory and processes restart.
3. Fly Machines: memory kept through suspend
performance-2x with 4 GB is $0.0916704 an hour in iad, busy or not, across
17 regions. Suspend holds a Machine's memory. The root disk is temporary.
4. Vercel Sandbox: filesystem forks only
Firecracker microVMs at $0.128 per active CPU-hour and $0.0212 per GB-hour in
iad1. Its snapshots and forks copy the filesystem, and processes start over.
5. CodeSandbox SDK: memory snapshot and restore
The Nano VM (2 cores, 4 GB) costs $0.1486 an hour, rounded up to the minute. It can snapshot and restore memory. VMs go as large as 64 cores and 128 GB.
6. E2B: allocation on microVMs
$0.0504 per vCPU-hour and $0.0162 per GiB-hour. Sessions end after 1 hour on Hobby and 24 on the $150-a-month Pro plan.
7. Daytona: GPUs and Windows
E2B's rates, containers unless you pick the VM class, GPU sandboxes and Windows machines in the US and the EU.
8. Blaxel: standby that keeps processes
Active memory at $0.0000115 per GB-second, CPU included. Standby snapshots hold files and processes for $0.20 per GB a month. Resuming takes about 25 ms.
9. Fly Sprites: sleeps on its own
$0.0385 per measured CPU-hour and $0.021875 per GB-hour of memory in use. A Sprite keeps its memory for a while after sleeping, and its 100 GB disk always.
10. Modal Sandboxes: GPUs beside functions
gVisor, and CPU at $0.1419 per physical core-hour on the greater of request and use.
11. Runloop: evaluation tooling
$0.108 per CPU-hour and $0.0252 per GB-hour plus disk, with tools to evaluate models on your own workload.
Runtime Cloud
Runtime runs Morph's workload for 62% less, and it still forks a running sandbox with its memory. The same 1,000 one-minute runs of a 2 vCPU, 4 GiB sandbox cost $0.64 on Runtime and $1.67 on Morph. That is $103 a month saved at 100,000 runs, with no monthly plan to buy credit through. This puts Runtime first in the table above. Rates were checked 25 October 2026.
Each sandbox is a Firecracker microVM with its own kernel. CPU is measured, at $0.025 per vCPU-hour with a floor of a twentieth of a vCPU. Memory is reserved at $0.0075 per GiB-hour, set apart from the vCPU count. One fork call turns a running sandbox into 1 to 100 copies with its files, memory and processes. A snapshot saves that state to start more from later.
To see a fork for yourself, sign in with npx withruntime login and start
free. Moving Morph code is covered below and in the
migration guide.
How to switch from Morph
The pattern most Morph projects rely on, preparing a machine once and branching it, is a fork on Runtime. It copies the sandbox as it is now, running:
TypeScriptimport { Runtime, Sandbox } from "withruntime";const runtime = new Runtime();await using base = await Sandbox.create();await base.exec("pip install --quiet requests");const [a, b] = await base.fork({ count: 2 }); // both running, answered togetherawait Promise.all([a!.stop(), b!.stop()]);// Or keep the machine to start copies from later:const snapshot = await base.snapshot({ name: "with-requests", retentionDays: 7 });await using later = await runtime.sandboxes.create({ snapshot: snapshot.id });await runtime.snapshots.delete(snapshot.id);A plain run is a create, an exec and a stop:
Pythonfrom withruntime import Sandboxwith Sandbox.create() as box: box.files.write("/workspace/invoice.py", "print(sum([125, 250, 375]))\n") print(box.exec("python3 /workspace/invoice.py", check=True).stdout)If a coding agent should do the work, give it the instruction in
migration. It ports the project on a branch, runs it on the
free usage, and reports the monthly saving. After a few runs,
npx withruntime compare --from morph shows what your own sandboxes would
have cost at Morph's published rates. More on branching:
sandbox fork and
RL environments.
Sources
Cloudflare sandbox lifetime, snapshot behavior checked 25 October 2026. Rival rates were checked 25 October 2026, and Morph's pricing page was read again on 26 October 2026.
Northflank pricing Facts on this page were checked on 26 October 2026.
Runtime pricing and the Morph comparison