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Software Development · head to head

Factory vs GNAT Pro

Factory logo

Factory

Software Development

The autonomy stack for enterprise teams

From
$20/month
Rated
-
Full reviewWebsite
GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Factory business and Enterprise plans require direct sales contact for pricing; GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes

Where they differ

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

Attributes where Factory and GNAT Pro differ
AttributeFactoryGNAT Pro
Starting price$20/monthOn request
Pricing modelsubscriptionquote
CategorySoftware DevelopmentDeveloper Tools

Identical on both: free tier (No), platforms (Web), user rating (Not yet rated).

What people use each for

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

Factory

  • AI agent development and deploymentnot GNAT Pro
  • Multi-platform automationnot GNAT Pro
  • Background task executionnot GNAT Pro
  • Agent orchestrationnot GNAT Pro

GNAT Pro

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

Where each one falls short

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

Factory

  • Business and Enterprise plans require direct sales contact for pricing
  • Individual plans (Pro, Plus, Max) have limited feature details

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

Pricing, plan by plan

Factory

$20/month
  • Pro$20/month
    • Agent-native multi-platform experience
    • Desktop, CLI, and SDK access
    • Cloud and local background agents
  • Plus$100/month
    • Everything in Pro
    • Approximately 5x usage limits
    • Droid Computers for remote agents
  • Max$200/month
    • Everything in Plus
    • Approximately 10x usage limits
    • Early access to new features
  • Business$null/mo

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Which should you pick?

Choose Factory if

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

Factory review

Choose GNAT Pro if

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

GNAT Pro review

Questions people ask

Is Factory or GNAT Pro better?
Neither clearly leads. Factory starts at $20/month and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Factory or GNAT Pro?
Factory starts at $20/month and GNAT Pro at On request.
Does Factory or GNAT Pro run on more platforms?
Both run on Web, so platform support will not decide this one for you.
What is Factory best used for?
Factory is most often used for ai agent development and deployment, multi-platform automation, background task execution, agent orchestration. Of those, ai agent development and deployment and multi-platform automation are not what GNAT Pro is typically brought in for.

Answered from the vendors’ own pages

Factory: What is Factory.ai's pricing?

Factory.ai offers individual plans starting at USD$20 per month for Pro, USD$100 per month for Plus, and USD$200 per month for Max. Team plans including Business and Enterprise tiers are available at custom pricing based on the number of seats required.

Source
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
Factory: What are the usage limits for each plan?

The Pro plan is the baseline tier. Plus provides approximately 5 times the usage limits of Pro, while Max provides approximately 10 times the usage limits of Pro. Exact usage limits are not specified on the pricing page.

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
Factory: What AI models are included with Factory.ai?

All Factory.ai plans include access to GPT-5, Claude Opus and Sonnet, Google Gemini, and open-weight models. Business and Enterprise plans also include dedicated compute with partitioned inference and options for on-premise deployment.

Source
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