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CodeSandbox vs StackBlitz

CodeSandbox logo

CodeSandbox

Software

Cloud platform for instant, isolated development sandboxes and code execution

From
Free
Rated
-
Full reviewWebsite
StackBlitz logo

StackBlitz

Software

Browser-based IDE and AI app builder running full Node.js stacks via WebContainers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: CodeSandbox detailed paid plan pricing was not published on the accessible pages, making cost comparison difficult.; StackBlitz specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • They diverge on capability: CodeSandbox covers Instant sandboxes, StackBlitz covers WebContainers.

Where they differ

Only the attributes on which CodeSandbox and StackBlitz actually diverge.

Attributes where CodeSandbox and StackBlitz differ
AttributeCodeSandboxStackBlitz
Platformsweb, apiweb

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in CodeSandbox

  • Instant sandboxes
  • Programmatic sandbox API
  • Secure isolated execution
  • Browser-based editor
  • CI/CD sandbox support
  • Scalable VM infrastructure

Only in StackBlitz

  • WebContainers
  • Bolt.new AI app builder
  • Instant boot times
  • GitHub project import
  • Team collaboration
  • Offline functionality

What people use each for

The jobs each tool is most often brought in to do.

CodeSandbox

  • Running AI agent-generated code safely in isolationnot StackBlitz
  • Prototyping and sharing web projects in-browsernot StackBlitz
  • Executing untrusted code for a code playground productnot StackBlitz
  • Using sandboxes as ephemeral CI/CD build environmentsnot StackBlitz

StackBlitz

  • Editing a GitHub repository instantly in the browser without cloning itnot CodeSandbox
  • Generating a working web app from a text prompt with Bolt.newnot CodeSandbox
  • Sharing private projects across a team without individual GitHub seats for viewersnot CodeSandbox
  • Running lightweight Node.js projects with no local setupnot CodeSandbox

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

CodeSandbox

  • Detailed paid plan pricing was not published on the accessible pages, making cost comparison difficult.
  • Focus has shifted toward programmatic sandbox infrastructure, which may be less approachable for casual users just wanting a quick online editor.
  • Public sandboxes are visible to others by default, which is not ideal for proprietary code.

StackBlitz

  • Specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • Browser-based execution via WebContainers has limits on which native/binary dependencies can run compared to a real server-backed environment.
  • Heavy or resource-intensive workloads may be constrained by the end user's own browser and machine resources.

Pricing, plan by plan

CodeSandbox

Free
  • FreeFree
    • Public sandboxes
    • Basic sandbox usage

StackBlitz

Free
  • PersonalFree
    • Unlimited public projects, collections, and GitHub repositories
    • View and edit without a GitHub account
  • Teams$undefined/mo
    • Private collections and repositories for paid members
    • Free and paid member roles
    • Automatic permission mirroring for org-owned repositories

Which should you pick?

Choose CodeSandbox if

  • You need instant sandboxes.
  • You want to start without paying.
  • You work on web, api.
  • You also want programmatic sandbox api.
CodeSandbox review

Choose StackBlitz if

  • You need webcontainers.
  • You want to start without paying.
  • You work on web.
  • You also want bolt.new ai app builder.
StackBlitz review

Questions people ask

Is CodeSandbox or StackBlitz better?
Neither clearly leads. CodeSandbox starts at Free and StackBlitz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CodeSandbox or StackBlitz?
CodeSandbox starts at Free and StackBlitz at Free.
Does CodeSandbox or StackBlitz run on more platforms?
CodeSandbox runs on web, api. StackBlitz runs on web.
Can I use CodeSandbox for free?
Both have a free tier, so you can try either at no cost before committing.
What is CodeSandbox best used for?
CodeSandbox is most often used for running ai agent-generated code safely in isolation, prototyping and sharing web projects in-browser, executing untrusted code for a code playground product, using sandboxes as ephemeral ci/cd build environments. Of those, running ai agent-generated code safely in isolation and prototyping and sharing web projects in-browser are not what StackBlitz is typically brought in for.
What can CodeSandbox do that StackBlitz cannot?
CodeSandbox covers Instant sandboxes, Programmatic sandbox API, Secure isolated execution, Browser-based editor. StackBlitz covers WebContainers, Bolt.new AI app builder, Instant boot times, GitHub project import.

Answered from the vendors’ own pages

StackBlitz: Is there a free plan, and what are its limits?

Yes, the free Personal plan includes unlimited public StackBlitz projects, collections, and GitHub repositories, and lets anyone view and edit projects without needing a GitHub account.

Source
StackBlitz: What does the Teams plan add?

Teams lets GitHub organizations add free or paid members; paid members get access to private collections and repositories, with permissions mirrored from GitHub-owned repos.

Source
StackBlitz: Is there an Enterprise option?

Yes, custom Enterprise plans are available and require contacting StackBlitz directly.

Source
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