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Testing · head to head

Cypress vs GNAT Pro

Cypress logo

Cypress

Testing

JavaScript end-to-end testing framework with browser-based runner and cloud service

From
Free
Rated
-
Full reviewWebsite
GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Cypress has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cypress limited to web applications; mobile and desktop app testing not supported; GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes

Where they differ

Only the attributes on which Cypress and GNAT Pro actually diverge.

Attributes where Cypress and GNAT Pro differ
AttributeCypressGNAT Pro
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsmacOS, Windows, LinuxWeb
CategoryTestingDeveloper Tools

Identical on both: user rating (Not yet rated).

What people use each for

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

Cypress

  • End-to-end testing for modern JavaScript web applicationsnot GNAT Pro
  • Continuous integration pipelines with parallelised test executionnot GNAT Pro
  • Visual regression testing and accessibility verificationnot GNAT Pro
  • Flaky test detection and eliminationnot GNAT Pro
  • Team collaboration on test maintenance and debuggingnot GNAT Pro

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Cypress
  • Developing automotive embedded systems with ISO-26262 compliancenot Cypress
  • Integrating Ada, C/C++, and Rust components in single codebasenot Cypress
  • Managing software supply chain vulnerabilities and SBOMsnot Cypress
  • Supporting long-lived software systems spanning decadesnot Cypress

Where each one falls short

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

Cypress

  • Limited to web applications; mobile and desktop app testing not supported
  • Free tier capped at 500 test results/month; insufficient for most development teams
  • Paid features (flake detection, analytics) not included in free tier
  • JavaScript/TypeScript focused; less suitable for polyglot organisations

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

Pricing, plan by plan

Cypress

Free
  • Starter (Free)Free
    • 500 test results/month
    • 100 prompt executions/month
    • Parallelisation
  • Team$67/month
    • 120k test results/year
    • 9k prompt executions/year
    • Flake detection
  • Business$267/month
    • 120k test results/year
    • 24k prompt executions/year
    • Spec prioritisation
  • Enterprise$undefined/custom
    • 1.8M test results/year
    • 60k prompt executions/year
    • Unlimited users

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Which should you pick?

Choose Cypress if

  • You want to start without paying.
  • You work on macOS, Windows, Linux.
Cypress review

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from Cypress on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Questions people ask

Is Cypress or GNAT Pro better?
Neither clearly leads. Cypress starts at Free and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cypress or GNAT Pro?
Cypress has a free tier; the other does not. Paid plans start at Free for Cypress and On request for GNAT Pro.
Does Cypress or GNAT Pro run on more platforms?
Cypress runs on macOS, Windows, Linux. GNAT Pro runs on Web.
Can I use Cypress for free?
Yes. Cypress has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is Cypress best used for?
Cypress is most often used for end-to-end testing for modern javascript web applications, continuous integration pipelines with parallelised test execution, visual regression testing and accessibility verification, flaky test detection and elimination. Of those, end-to-end testing for modern javascript web applications and continuous integration pipelines with parallelised test execution are not what GNAT Pro is typically brought in for.

Answered from the vendors’ own pages

Cypress: Is Cypress free?

Yes, Cypress offers a free Starter plan with 500 test results per month, 100 prompt executions monthly, 50 users, and 30-day data retention. No credit card is required.

Source
GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

Source
Cypress: How much does Cypress Team cost?

Cypress Team costs $67 per month when billed monthly or $799 per year for annual billing (11% savings). It includes 120,000 annual test results, 9,000 yearly prompt executions, 50 users, 90-day data retention, flake detection, Jira integration, and email support.

Source
GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

Source
Cypress: What is the difference between Cypress Team and Business?

Cypress Business costs $267 per month (or $3,199 annually) compared to Team's $67/month ($799/year). Business provides twice the prompt executions (24,000 vs. 9,000 yearly), spec prioritization, auto-cancellation, and enterprise GitHub/GitLab support.

Source
Cypress: Can I purchase additional test results on Cypress?

Yes, Cypress allows purchasing bundled on-demand test results. Team costs $6 per 1,000 results, Business costs $5 per 1,000, and Enterprise pricing is custom. Open-source projects qualify for complimentary cloud services.

Source
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