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Developer Tools · head to head

CodeSandbox vs Cursor

CodeSandbox logo

CodeSandbox

Developer Tools

Cloud platform for instant, isolated development sandboxes and code execution

From
Free
Rated
-
Full reviewWebsite
Cursor logo

Cursor

Software Development

The AI-first code editor

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.; Cursor cannot work fully offline; AI features require internet connection
  • They diverge on capability: CodeSandbox covers Instant sandboxes, Cursor covers AI code completion.

Where they differ

Only the attributes on which CodeSandbox and Cursor actually diverge.

Attributes where CodeSandbox and Cursor differ
AttributeCodeSandboxCursor
Pricing modelfreemiumUnknown
Platformsweb, apiWindows, Macos, Linux
CategoryDeveloper ToolsSoftware Development
FoundedUnknown2022

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 Cursor

  • AI code completion
  • Natural language editing
  • Codebase chat
  • Multi-file editing
  • Code generation
  • Bug fixing assistance
  • Refactoring suggestions
  • AI pair programming

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

Cursor

  • AI-assisted codingnot CodeSandbox
  • Code generationnot CodeSandbox
  • Bug fixingnot CodeSandbox
  • Refactoringnot CodeSandbox
  • Learning new codebasesnot CodeSandbox
  • Rapid prototypingnot 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.

Cursor

  • Cannot work fully offline; AI features require internet connection
  • Local models require requests to route through Cursor's backend, not true localhost support
  • Free tier capped at 2,000 completions per month
  • Codebase indexing uploads code chunks to compute embeddings, with file caching handled server-side

Pricing, plan by plan

CodeSandbox

Free
  • FreeFree
    • Public sandboxes
    • Basic sandbox usage

Cursor

Free
  • HobbyFree
    • 2,000 completions/month
    • 50 slow premium requests
    • Basic autocomplete
  • Pro$20/month
    • Unlimited completions
    • 500 fast premium requests
    • Composer multi-file editor
  • Pro+$60/month
    • 3x Pro limits on Agent requests
    • Priority feature access
  • Teams Standard$40/user/month
    • All Individual Pro features
    • Centralized billing
    • SAML/OIDC SSO

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 Cursor if

  • You need ai code completion.
  • You want to start without paying.
  • You work on Windows, Macos, Linux.
  • You also want natural language editing.
Cursor review

Questions people ask

Is CodeSandbox or Cursor better?
Neither clearly leads. CodeSandbox starts at Free and Cursor at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CodeSandbox or Cursor?
CodeSandbox starts at Free and Cursor at Free.
Does CodeSandbox or Cursor run on more platforms?
CodeSandbox runs on web, api. Cursor runs on Windows, Macos, Linux.
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 Cursor is typically brought in for.
What can CodeSandbox do that Cursor cannot?
CodeSandbox covers Instant sandboxes, Programmatic sandbox API, Secure isolated execution, Browser-based editor. Cursor covers AI code completion, Natural language editing, Codebase chat, Multi-file editing.

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
Cursor: What's included in Cursor's free tier and what are its limits?

The free Hobby plan provides 2,000 completions per month and 50 slow premium requests, with access to basic autocomplete features. Codebase-wide indexing and the Composer multi-file editor are not available on the free plan.

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
Cursor: Does Cursor require an internet connection to edit code?

While Cursor can open and edit files locally, its AI features including autocomplete, chat, agents, and codebase-aware reasoning require internet access to cloud-hosted models.

Source
Cursor: Can I use Cursor with local models running on my machine?

Cursor can integrate with local models, but requests still route through Cursor's backend for prompt building. True localhost mode without external endpoints is not supported. The paid plan ($20+/month) is required to use local models.

Source
Cursor: What privacy controls does Cursor offer?

Cursor offers Privacy Mode (enabled on paid Team plans) which prevents customer data from being used for model training, with zero data retention agreements with all AI providers. When disabled, Cursor may use codebase data to improve features.

Source
Cursor: What are the differences between Pro and Pro+ plans?

Pro ($20/month) includes unlimited completions and 500 fast premium requests, while Pro+ ($60/month) provides 3x those request limits, priority feature access, and extended Agent capabilities.

Source
Cursor: Does Cursor support SSO and on which plan?

SSO with SAML/OIDC is included on Teams Standard ($40/user/month) and higher plans, with full team administration and audit logs.

Source
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