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Developer Tools · head to head

GNAT Pro vs Puppeteer

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
Puppeteer logo

Puppeteer

Testing

Node.js library for controlling Chrome and Firefox

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Puppeteer has a free tier, so it costs nothing to try first.
  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; Puppeteer chrome and Firefox only, with no Safari or WebKit story

Where they differ

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

Attributes where GNAT Pro and Puppeteer differ
AttributeGNAT ProPuppeteer
Starting priceOn requestFree
Pricing modelquoteOpen source, no licence fee
Free tierNoYes
PlatformsWebLinux, macOS, Windows
CategoryDeveloper ToolsTesting

Identical on both: 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 GNAT Pro

Nothing recorded that Puppeteer does not also cover.

Only in Puppeteer

  • DevTools Protocol
  • Headless by default
  • PDF and screenshots
  • Network interception

What people use each for

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

GNAT Pro

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

Puppeteer

  • Generating PDFs or screenshots of rendered pages on a servernot GNAT Pro
  • Scraping sites that require JavaScript executionnot GNAT Pro
  • Automating browser tasks where a full test framework is unnecessarynot GNAT Pro

Where each one falls short

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

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

Puppeteer

  • Chrome and Firefox only, with no Safari or WebKit story
  • Not a test framework: assertions, retries and reporting need Jest or similar bolted on
  • Bundles a Chromium download, which makes installs large and awkward in constrained CI images

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Puppeteer

Free
  • PuppeteerFree
    • Full functionality
    • Unlimited tests
    • Community support

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Puppeteer if

  • You need devtools protocol.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want headless by default.
Puppeteer review

Questions people ask

Is GNAT Pro or Puppeteer better?
Neither clearly leads. GNAT Pro starts at On request and Puppeteer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Puppeteer?
Puppeteer has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Puppeteer.
Does GNAT Pro or Puppeteer run on more platforms?
GNAT Pro runs on Web. Puppeteer runs on Linux, macOS, Windows.
Can I use Puppeteer for free?
Yes. Puppeteer has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is GNAT Pro best used for?
GNAT Pro is most often used for building certified avionics software meeting do-178b/c standards, developing automotive embedded systems with iso-26262 compliance, integrating ada, c/c++, and rust components in single codebase, managing software supply chain vulnerabilities and sboms. Of those, building certified avionics software meeting do-178b/c standards and developing automotive embedded systems with iso-26262 compliance are not what Puppeteer is typically brought in for.
What can GNAT Pro do that Puppeteer cannot?
Puppeteer covers DevTools Protocol, Headless by default, PDF and screenshots, Network interception.

Answered from the vendors’ own pages

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
Puppeteer: Is Puppeteer free?

Yes, open source from the Chrome team.

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
Puppeteer: Puppeteer or Playwright?

Playwright came from the same original team, adds WebKit and Firefox support, automatic waiting and a test runner. Puppeteer stays a focused Chrome automation library, which is simpler if automation rather than testing is the goal.

Puppeteer: Can Puppeteer generate PDFs?

Yes, and it is one of the most common uses — rendering a page and printing it to PDF server-side.

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