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Developer Tools · head to head

CodeSandbox vs Zeabur

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CodeSandbox

Developer Tools

Cloud platform for instant, isolated development sandboxes and code execution

From
Free
Free plan
Yes
Full reviewWebsite
Zeabur logo

Zeabur

Cloud

AI-powered cloud deployment platform for developers

From
Free
Free plan
Yes
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.; Zeabur free plan limited to single server with 48-hour log retention
  • They diverge on capability: CodeSandbox covers Instant sandboxes, Zeabur covers AI Agent.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which CodeSandbox and Zeabur actually diverge.

Attributes where CodeSandbox and Zeabur differ
AttributeCodeSandboxZeabur
Pricing modelfreemiumFixed monthly plans
Platformsweb, apiWeb, CLI
CategoryDeveloper ToolsCloud
FoundedUnknown2025

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Zeabur

  • AI Agent
  • Managed Servers
  • Domain and DNS Management
  • Email Service
  • AI Hub
  • Deploy Templates
  • Git Integration

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 Zeabur
  • Prototyping and sharing web projects in-browsernot Zeabur
  • Executing untrusted code for a code playground productnot Zeabur
  • Using sandboxes as ephemeral CI/CD build environmentsnot Zeabur

Zeabur

  • Deploying full-stack web applications without DevOps expertisenot CodeSandbox
  • Building AI agent infrastructure with integrated API accessnot CodeSandbox
  • Managing multi-region deployments with automated scalingnot CodeSandbox
  • Running containerized services with built-in domain and emailnot 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.

Zeabur

  • Free plan limited to single server with 48-hour log retention
  • Small team size may limit support and feature velocity
  • Building spec upgrades limited on lower tiers
  • Enterprise support not clearly documented

Pricing, plan by plan

CodeSandbox

Free
  • FreeFree
    • Public sandboxes
    • Basic sandbox usage

Zeabur

Free
  • FreeFree
    • 1 manageable server
    • 2C4G build specs
    • 48-hour log retention
  • Dev$5/month
    • 3 manageable servers
    • 7-day log retention
    • 250 MB file uploads
  • Pro$19/month
    • 10 manageable servers
    • 4C8G build specs
    • 30-day log retention
  • Team$79/month
    • 3 included seats
    • Unlimited manageable servers
    • 90-day log retention

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 Zeabur if

  • You need ai agent.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want managed servers.
Zeabur review

Questions people ask

Is CodeSandbox or Zeabur better?
Neither clearly leads. CodeSandbox starts at Free and Zeabur at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CodeSandbox or Zeabur?
CodeSandbox starts at Free and Zeabur at Free.
Does CodeSandbox or Zeabur run on more platforms?
CodeSandbox runs on web, api. Zeabur runs on Web, CLI.
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 Zeabur is typically brought in for.
What can CodeSandbox do that Zeabur cannot?
CodeSandbox covers Instant sandboxes, Programmatic sandbox API, Secure isolated execution, Browser-based editor. Zeabur covers AI Agent, Managed Servers, Domain and DNS Management, Email Service.

Answered from the vendors’ own pages

CodeSandbox: Does CodeSandbox offer a free tier?

Yes, CodeSandbox offers a free option available on the platform. Users can start for free.

Source
Zeabur: What is included in the free plan?

The free plan includes 1 manageable server, 2C4G build specifications, 48-hour log retention, 50 MB file upload limit, and community support.

Source
CodeSandbox: Where can I find CodeSandbox's pricing details?

CodeSandbox maintains a dedicated pricing page, but specific tier names, feature breakdowns, and costs are not displayed on the landing page.

Source
Zeabur: How do additional seats work on the Team plan?

The Team plan includes 3 seats with additional seats available at $24 per seat per month.

Source
Zeabur: Is there a free trial period?

The Dev and Pro plans include 14 days free before billing begins.

Source
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