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Developer Tools · head to head

GitLab CI/CD vs OWASP ZAP

GitLab CI/CD logo

GitLab CI/CD

Developer Tools

Automatically build, test, deploy, and monitor your applications with GitLab CI/CD

From
Free
Free plan
Yes
Full reviewWebsite
OWASP ZAP logo

OWASP ZAP

Cybersecurity

Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: GitLab CI/CD compute minute quotas for Premium and Ultimate tiers not disclosed in documentation; OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GitLab CI/CD and OWASP ZAP actually diverge.

Attributes where GitLab CI/CD and OWASP ZAP differ
AttributeGitLab CI/CDOWASP ZAP
Pricing modelfreemiumfree
PlatformsWebDesktop, Cli, Api
CategoryDeveloper ToolsCybersecurity
FoundedUnknown2001

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 GitLab CI/CD

Nothing recorded that OWASP ZAP does not also cover.

Only in OWASP ZAP

  • Intercepting proxy
  • Passive scanner
  • Active scanner
  • AJAX spider
  • Automation Framework
  • Headless daemon and REST API
  • Docker images
  • Add-on marketplace

What people use each for

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

GitLab CI/CD

  • Reducing open source project infrastructure costs with public project discountsnot OWASP ZAP
  • Enforcing monthly CI/CD spending limits and quota notificationsnot OWASP ZAP
  • Allocating compute minutes to open source contributors affordablynot OWASP ZAP
  • Forecasting CI/CD spending patterns across multiple projectsnot OWASP ZAP
  • Providing private runners for cost control without owning infrastructurenot OWASP ZAP

OWASP ZAP

  • Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot GitLab CI/CD
  • Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot GitLab CI/CD
  • Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot GitLab CI/CD
  • Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot GitLab CI/CD

Where each one falls short

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

GitLab CI/CD

  • Compute minute quotas for Premium and Ultimate tiers not disclosed in documentation
  • Additional compute minutes beyond quota incur charges; exact pricing not specified

OWASP ZAP

  • Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
  • Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
  • Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
  • As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.

Pricing, plan by plan

GitLab CI/CD

Free
  • FreeFree
    • 400 compute minutes per month for free tier namespaces
    • Linux x86-64 runners at 1x cost factor
  • Premium$null/tiered
    • Higher monthly compute minute quotas than free tier
    • Additional compute minutes available for purchase
  • Ultimate$null/tiered
    • Highest monthly compute minute allocations
    • Additional compute minutes available for purchase

OWASP ZAP

Free
  • Free & Open SourceFree
    • Full functionality
    • Active & passive scanning
    • Spider

Which should you pick?

Choose GitLab CI/CD if

  • You want to start without paying.
GitLab CI/CD review

Choose OWASP ZAP if

  • You need intercepting proxy.
  • You want to start without paying.
  • You work on Desktop, Cli, Api.
  • You also want passive scanner.
OWASP ZAP review

Questions people ask

Is GitLab CI/CD or OWASP ZAP better?
Neither clearly leads. GitLab CI/CD starts at Free and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GitLab CI/CD or OWASP ZAP?
GitLab CI/CD starts at Free and OWASP ZAP at Free.
Does GitLab CI/CD or OWASP ZAP run on more platforms?
GitLab CI/CD runs on Web. OWASP ZAP runs on Desktop, Cli, Api.
Can I use GitLab CI/CD for free?
Both have a free tier, so you can try either at no cost before committing.
What is GitLab CI/CD best used for?
GitLab CI/CD is most often used for reducing open source project infrastructure costs with public project discounts, enforcing monthly ci/cd spending limits and quota notifications, allocating compute minutes to open source contributors affordably, forecasting ci/cd spending patterns across multiple projects. Of those, reducing open source project infrastructure costs with public project discounts and enforcing monthly ci/cd spending limits and quota notifications are not what OWASP ZAP is typically brought in for.
What can GitLab CI/CD do that OWASP ZAP cannot?
OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider.

Answered from the vendors’ own pages

GitLab CI/CD: How many GitLab CI compute minutes does the free tier include?

The free tier of GitLab CI includes 400 compute minutes per month for free tier namespaces on GitLab.com.

Source
OWASP ZAP: Is it still called OWASP ZAP?

The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.

GitLab CI/CD: What is the cost factor for different GitLab CI runner types?

Linux x86-64 small runners cost 1x; medium runners cost 2x; large runners cost 3x. macOS and Windows runners have cost factors of 6-12x and are in beta status.

Source
OWASP ZAP: Is it free for commercial use?

Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.

GitLab CI/CD: Do public open-source projects get discounts on GitLab CI compute minutes?

Public open-source projects receive a 0.5x discount on compute minutes. Public forks of GitLab open-source projects receive a 0.008x discount.

Source
OWASP ZAP: Can it replace a penetration test?

No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.

OWASP ZAP: Does it run in CI?

Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.

OWASP ZAP: How does it compare to Burp Suite?

Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.

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