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Developer Tools · head to head

GNAT Pro vs IBM Cloud

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
IBM Cloud logo

IBM Cloud

Cloud

Enterprise cloud solutions from a trusted partner

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only IBM Cloud 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; IBM Cloud the USD 200 starter cloud credit is valid for 30 days only
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GNAT Pro and IBM Cloud actually diverge.

Attributes where GNAT Pro and IBM Cloud differ
AttributeGNAT ProIBM Cloud
Starting priceOn requestFree
Pricing modelquoteusage-based
Free tierNoYes
PlatformsWebLinux, Windows, Api, Cli
CategoryDeveloper ToolsCloud
FoundedUnknown2013

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 IBM Cloud does not also cover.

Only in IBM Cloud

  • Virtual Servers
  • Bare Metal
  • Cloud Foundry
  • Kubernetes
  • Watson AI
  • Blockchain
  • Databases
  • API Gateway

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

IBM Cloud

  • Running containerized and VM workloads on IBM's public cloudnot GNAT Pro
  • Building on Watson APIs and IBM middleware as managed servicesnot 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

IBM Cloud

  • The USD 200 starter cloud credit is valid for 30 days only
  • The larger promotional credits are time boxed: USD 1,000 for Bare Metal Servers for VPC over 120 days, USD 2,500 for Power Virtual Server over 90 days, and USD 5,000 for Backup and Recovery over 90 days
  • The USD 5,000 Backup and Recovery promotion is valid for new clients only and requires a checkout promo code
  • The listed promotions carry an expiry date of 31 December 2026
  • Beyond the free tier the account is pay as you go, so cost tracks usage with no published cap

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

IBM Cloud

Free
  • Lite PlanFree
    • Free services
    • Limited resources
    • 30-day trial
  • Standard PlanFree
    • Pay-as-you-go
    • Enterprise support
    • Advanced services

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose IBM Cloud if

  • You need virtual servers.
  • You want to start without paying.
  • You work on Linux, Windows, Api, Cli.
  • You also want bare metal.
IBM Cloud review

Questions people ask

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

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
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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