Softwr

Developer Tools · head to head

GNAT Pro vs Octopus Deploy

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
Octopus Deploy logo

Octopus Deploy

Developer Tools

Continuous delivery and runbook automation for releases

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Octopus Deploy 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; Octopus Deploy free tier caps at 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks and 1 space
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which GNAT Pro and Octopus Deploy actually diverge.

Attributes where GNAT Pro and Octopus Deploy differ
AttributeGNAT ProOctopus Deploy
Starting priceOn requestFree
Pricing modelquotesubscription
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Developer Tools).

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

Octopus Deploy

  • Automating software deployments across development, testing, productionnot GNAT Pro
  • Automating emergency tasks like website failover and incident responsenot GNAT Pro
  • Managing multi-tenant deployments without duplicating configurationnot GNAT Pro
  • Tracking DORA metrics and enforcing deployment approval gatesnot 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

Octopus Deploy

  • Free tier caps at 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks and 1 space
  • Annual billing is the only option for both Octopus Cloud and Octopus Server; there is no monthly plan
  • Professional cloud tier is $4,330 per year and Enterprise cloud is $24,600 per year, with tenants and machines sold as add-ons beyond the free allotment

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Octopus Deploy

Free
  • FreeFree
    • 10 projects
    • 10 tenants
    • 10 machines
  • Professional (Cloud)$4330/year
    • Up to 100 projects
    • Unlimited spaces and users
    • Tenants and machines available as add-ons
  • Professional (Server)$2080/year
    • Up to 100 projects
    • Unlimited spaces and users
    • Tenants and machines available as add-ons
  • Enterprise (Cloud)$24600/year
    • 100+ projects supported
    • Unlimited spaces and users
    • 20 concurrent tasks

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Octopus Deploy if

  • You want to start without paying.
Octopus Deploy review

Questions people ask

Is GNAT Pro or Octopus Deploy better?
Neither clearly leads. GNAT Pro starts at On request and Octopus Deploy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Octopus Deploy?
Octopus Deploy has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Octopus Deploy.
Does GNAT Pro or Octopus Deploy run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Octopus Deploy for free?
Yes. Octopus Deploy 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 Octopus Deploy is typically brought in for.

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
Octopus Deploy: How much does Octopus Deploy cost?

Octopus Deploy offers a free tier at $0/year with limits on projects (10), users (10), and tenants (10). Professional plans start at $2,080/year for self-hosted or $4,330/year for cloud hosting.

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
Octopus Deploy: What does the free Octopus Deploy tier include?

The free tier includes 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks, 1TB file storage, 100GB database storage, and community support only.

Source
Octopus Deploy: Can I try Octopus Deploy for free before purchasing?

Yes, a free tier is available with unlimited duration but capped usage, plus a 30-day free trial with full Enterprise features is offered to evaluate the platform.

Source
Octopus Deploy: What are the Enterprise pricing differences between Cloud and Server hosting?

Enterprise Cloud hosting costs $24,600/year and includes 20 concurrent tasks and 24/7 support. Enterprise Server self-hosted costs $15,600/year with flexible concurrent task configuration and 24/7 support.

Source
Share

Related pages

More on GNAT Pro

More on Octopus Deploy

Keep looking

Other head to heads