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Developer Tools · head to head

GNAT Pro vs Nginx

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
Nginx logo

Nginx

Web Development

High-performance web server and reverse proxy

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Nginx 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; Nginx open-source nginx has no admin API for changing arbitrary config at runtime; dynamic reconfiguration requires editing the config file and reloading via 'nginx -s reload'

Where they differ

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

Attributes where GNAT Pro and Nginx differ
AttributeGNAT ProNginx
Starting priceOn requestFree
Pricing modelquoteUnknown
Free tierNoYes
PlatformsWebWindows, macOS, Linux
CategoryDeveloper ToolsWeb Development
FoundedUnknown2011

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 Nginx does not also cover.

Only in Nginx

  • High-performance web server
  • Reverse proxy
  • Load balancing
  • HTTP caching
  • SSL/TLS termination
  • Gzip compression
  • Rate limiting
  • Static file serving

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

Nginx

  • HTTP web server and static file servingnot GNAT Pro
  • Reverse proxy and load balancernot GNAT Pro
  • TLS/SSL termination (SNI, HTTP/2, HTTP/3)not GNAT Pro
  • Content cachingnot GNAT Pro
  • Kubernetes Ingress Controller backendnot GNAT Pro
  • TCP/UDP stream proxyingnot 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

Nginx

  • Open-source nginx has no admin API for changing arbitrary config at runtime; dynamic reconfiguration requires editing the config file and reloading via 'nginx -s reload'
  • No official built-in GUI or dashboard for management or live metrics in the open-source edition
  • Advanced capabilities such as active health checks, dynamic upstream reconfiguration without reload, and a full API gateway feature set are exclusive to the paid NGINX Plus product, not open-source nginx
  • No published list price for NGINX Plus on the current F5 product page; pricing requires contacting sales

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Nginx

Free
  • Open SourceFree
    • Web server
    • Reverse proxy
    • Load balancing

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Nginx if

  • You need high-performance web server.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want reverse proxy.
Nginx review

Questions people ask

Is GNAT Pro or Nginx better?
Neither clearly leads. GNAT Pro starts at On request and Nginx at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Nginx?
Nginx has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Nginx.
Does GNAT Pro or Nginx run on more platforms?
GNAT Pro runs on Web. Nginx runs on Windows, macOS, Linux.
Can I use Nginx for free?
Yes. Nginx 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 Nginx is typically brought in for.
What can GNAT Pro do that Nginx cannot?
Nginx covers High-performance web server, Reverse proxy, Load balancing, HTTP caching.

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
Nginx: How much does nginx cost?

nginx is free and open source software distributed under the 2-clause BSD License. Enterprise distributions, commercial support, and training are available from F5 Inc. at custom pricing.

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
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