Softwr

Developer Tools · head to head

Deno vs Exa

Deno logo

Deno

Developer Tools

A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in

From
Free
Free plan
Yes
Visit DenoFull review
Exa logo

Exa

Business Intelligence

Web search, built for AI agents

From
Free
Free plan
Yes
Visit ExaFull review

The short version

  • Free plans on both; paid from $20/mo and $7/mo.
  • Where Deno falls short: egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications.
  • 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 Deno and Exa actually diverge.

Attributes where Deno and Exa differ
AttributeDenoExa
Pricing modelFreemiumUsage-based
CategoryDeveloper ToolsBusiness Intelligence

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

What people use each for

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

Deno

  • Running TypeScript natively without transpilation overheadnot Exa
  • Migrating Node.js applications to secure-by-default runtimenot Exa
  • Deploying edge functions and serverless containers seamlesslynot Exa
  • Consolidating developer tools into single binarynot Exa

Exa

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

Where each one falls short

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

Deno

  • Egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
  • CPU time overage is $0.10/hour on Pro and Builder tiers, adding to costs for compute-intensive workloads
  • Enterprise pricing is not disclosed; requires sales contact

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

Deno

Free
  • FreeFree
    • 1 million requests/month
    • 20GB egress bandwidth
    • 10 apps
  • Pro$20/mo
    • 5 million requests/month
    • 200GB egress
    • 50 apps
  • Builder$200/mo
    • 25 million requests/month
    • 2,000GB egress
    • 10,000 apps
  • EnterpriseOn request
    • Custom limits on all metrics
    • 99.95% reliability SLA
    • Email support with SLA

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 Deno if

  • You want to start without paying.
Deno review

Choose Exa if

  • You want to start without paying.
Exa review

Questions people ask

Is Deno or Exa better?
Neither clearly leads. Deno 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, Deno or Exa?
Deno starts at Free and Exa at Free.
Does Deno or Exa run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Deno for free?
Both have a free tier, so you can try either at no cost before committing.
What is Deno best used for?
Deno is most often used for running typescript natively without transpilation overhead, migrating node.js applications to secure-by-default runtime, deploying edge functions and serverless containers seamlessly, consolidating developer tools into single binary. Of those, running typescript natively without transpilation overhead and migrating node.js applications to secure-by-default runtime are not what Exa is typically brought in for.

Answered from the vendors’ own pages

Deno: How much does Deno Deploy cost?

Deno Deploy offers a free tier at $0/month, Pro at $20/month, and Builder at $200/month. Enterprise has custom pricing. All plans include base request and bandwidth limits, with overage charges for additional usage.

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
Deno: What are Deno Deploy's overage charges?

Egress bandwidth overages cost $0.20 per GB. CPU time overages are $0.10 per hour on Pro and Builder tiers. Memory time and KV database operations also incur charges beyond included limits.

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
Deno: How many apps can I deploy on Deno's free plan?

The free tier includes 10 apps with up to 1 concurrent build. Pro tier supports 50 apps with 3 concurrent builds, and Builder supports 10,000 apps with 20 concurrent builds.

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
Deno: How many team members can access Deno Deploy?

The free tier supports up to 3 team members. Pro supports 10 team members. Builder supports 25 team members. Enterprise has custom seat limits.

Source
Share

Related pages

More on Deno

More on Exa

Keep looking

Other head to heads