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Developer Tools · head to head

CodeSandbox vs Exa

C

CodeSandbox

Developer Tools

Cloud platform for instant, isolated development sandboxes and code execution

From
Free
Free plan
Yes
Visit CodeSandboxFull review
Exa logo

Exa

Business Intelligence

Web search, built for AI agents

From
Free
Free plan
Yes
Visit ExaFull review

The short version

  • CodeSandbox is free; Exa starts at $7/mo.
  • Where CodeSandbox falls short: public sandboxes are visible to others by default, which is not ideal for proprietary code.
  • Where Exa falls short: usage-based pricing can be unpredictable without volume discounts upfront.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which CodeSandbox and Exa actually diverge.

Attributes where CodeSandbox and Exa differ
AttributeCodeSandboxExa
Pricing modelFreemiumUsage-based
PlatformsWeb, APIWeb
CategoryDeveloper ToolsBusiness Intelligence

Identical on both: starting price (Free), free tier (Yes).

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 Exa

Nothing recorded that CodeSandbox does not also cover.

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

Exa

  • Web search and research APIsnot CodeSandbox
  • Content extraction and analysisnot CodeSandbox
  • Real-time monitoring and alertsnot CodeSandbox

Where each one falls short

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

CodeSandbox

  • 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

Exa

  • Usage-based pricing can be unpredictable without volume discounts upfront
  • Enterprise customers need to contact sales for custom volume discount plans

Pricing, plan by plan

CodeSandbox

Free
  • FreeFree
    • Public sandboxes
    • Basic sandbox usage

Exa

Free
  • Free TierFree
    • $20 in free credits (approximately 2,800 searches)
    • $10 in monthly credits after first month
  • Search$7
    • Standard search functionality
  • Deep Search$12
    • In-depth search results
  • Contents$1/per 1000 pages
    • Content extraction

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 Exa if

  • You want to start without paying.
Exa review

Questions people ask

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

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
Exa: How much does Exa API cost?

Exa uses pay-as-you-go pricing with no subscription or minimum spend required. Search costs USD$7 per 1000 requests, Deep Search costs USD$12-15 per 1000 requests, and Contents costs USD$1 per 1000 pages. Users load credits and are charged at these published rates.

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
Exa: Is there a free tier for Exa?

Yes, new accounts receive USD$20 in free credits (approximately 2,800 searches) plus USD$10 in additional credits every month. This allows developers to test the API before committing to paid usage.

Source
Exa: What other costs are associated with Exa?

Beyond the main API costs, Exa charges USD$1 per 1000 results beyond the first 10 returned, USD$1 per 1000 pages for AI summaries, and USD$0.10 per Agent Compute Unit for autonomous agent usage. Contact enrichment features cost USD$0.02 per email and USD$0.07 per phone number.

Source
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