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Developer Tools · head to head

GNAT Pro vs Puppet

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Free plan
No
Full reviewWebsite
Puppet logo

Puppet

Cloud

Infrastructure automation for enterprises

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Puppet 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; Puppet no pricing published for commercial tiers; requires contacting sales
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where GNAT Pro and Puppet differ
AttributeGNAT ProPuppet
Starting priceOn requestFree
Free tierNoYes
PlatformsWebLinux, Windows, Mac, Api
CategoryDeveloper ToolsCloud
FoundedUnknown2005

Identical on both: pricing model (quote), 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 Puppet does not also cover.

Only in Puppet

  • Manifests
  • Modules
  • Classes
  • Variables
  • Facts
  • Puppet Master
  • Hiera
  • Facter

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 Puppet
  • Developing automotive embedded systems with ISO-26262 compliancenot Puppet
  • Integrating Ada, C/C++, and Rust components in single codebasenot Puppet
  • Managing software supply chain vulnerabilities and SBOMsnot Puppet
  • Supporting long-lived software systems spanning decadesnot Puppet

Puppet

  • Infrastructure automationnot GNAT Pro
  • Configuration managementnot GNAT Pro
  • DevOps at scalenot GNAT Pro
  • Enterprise infrastructurenot 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

Puppet

  • No pricing published for commercial tiers; requires contacting sales
  • Enterprise and Advanced tiers require custom quote
  • Free tier limited to 25 nodes maximum

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Puppet

Free
  • DeveloperFree
    • Up to 25 nodes
  • Core Commercial$null/custom
    • 25+ nodes
    • Vendor-backed SLAs
    • Training with Certified Engineers
  • Enterprise$null/custom
    • Web GUI
    • RBAC
    • Multi-environment support
  • Advanced$null/custom
    • AI-powered features
    • Advanced patching
    • Vulnerability remediation

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Puppet if

  • You need manifests.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Api.
  • You also want modules.
Puppet review

Questions people ask

Is GNAT Pro or Puppet better?
Neither clearly leads. GNAT Pro starts at On request and Puppet at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Puppet?
Puppet has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Puppet.
Does GNAT Pro or Puppet run on more platforms?
GNAT Pro runs on Web. Puppet runs on Linux, Windows, Mac, Api.
Can I use Puppet for free?
Yes. Puppet 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 Puppet is typically brought in for.
What can GNAT Pro do that Puppet cannot?
Puppet covers Manifests, Modules, Classes, Variables.

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
Puppet: How much does Puppet cost?

Puppet's Developer tier is free for up to 25 nodes. Commercial, Enterprise, and Advanced tiers require contacting their sales team for a custom quote.

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
Puppet: Is there a free version of Puppet?

Yes, Puppet's Developer tier is free forever for up to 25 nodes of infrastructure.

Source
Puppet: What does the Enterprise tier include?

Puppet's Enterprise tier includes web GUI, RBAC, and multi-environment support for organizations managing infrastructure at scale, with pricing available upon request.

Source
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