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Developer Tools · head to head

GNAT Pro vs Legit Security

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
Legit Security logo

Legit Security

Cybersecurity

AI-native ASPM platform securing AI-generated code before deployment

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; Legit Security pricing requires contacting sales, making cost comparison difficult
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which GNAT Pro and Legit Security actually diverge.

Attributes where GNAT Pro and Legit Security differ
AttributeGNAT ProLegit Security
Pricing modelquoteContact sales for custom pricing
PlatformsWebWeb, IDE, CI/CD
CategoryDeveloper ToolsCybersecurity

Identical on both: starting price (On request), free tier (No), 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 Legit Security does not also cover.

Only in Legit Security

  • VibeGuard AI code scanning
  • Unified vulnerability remediation
  • Code Security (SAST/SCA)
  • Secrets detection and prevention
  • Software Supply Chain Security
  • Code change detection
  • AI-powered remediation
  • Risk scoring

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

Legit Security

  • Securing AI-generated code from GitHub Copilot and IDE assistantsnot GNAT Pro
  • Consolidating vulnerability findings from multiple AppSec toolsnot GNAT Pro
  • Preventing credential leaks across development workspacesnot GNAT Pro
  • Automating remediation workflows with AI-powered suggestionsnot GNAT Pro
  • Compliance automation with SBOM generation and enforcementnot 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

Legit Security

  • Pricing requires contacting sales, making cost comparison difficult
  • No published pricing tiers or free tier available
  • Requires integration with existing SAST and SCA tools for full capability
  • Focused primarily on code security within development lifecycle
  • Newer entrant with less market presence than established competitors

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Legit Security

On request

No published plan breakdown. See the Legit Security review.

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Legit Security if

  • You need vibeguard ai code scanning.
  • You work on Web, IDE, CI/CD.
  • You also want unified vulnerability remediation.
Legit Security review

Questions people ask

Is GNAT Pro or Legit Security better?
Neither clearly leads. GNAT Pro starts at On request and Legit Security at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Legit Security?
GNAT Pro starts at On request and Legit Security at On request.
Does GNAT Pro or Legit Security run on more platforms?
GNAT Pro runs on Web. Legit Security runs on Web, IDE, CI/CD.
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 Legit Security is typically brought in for.
What can GNAT Pro do that Legit Security cannot?
Legit Security covers VibeGuard AI code scanning, Unified vulnerability remediation, Code Security (SAST/SCA), Secrets detection and prevention.

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
Legit Security: What is VibeGuard and how does it work?

VibeGuard is Legit Security's core feature that scans AI-generated code directly within IDEs like GitHub Copilot and Cursor, identifying vulnerabilities before code leaves the developer's editor.

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
Legit Security: What AI code assistants does Legit Security support?

Legit Security integrates with GitHub Copilot, Cursor, and Claude to scan AI-generated code for vulnerabilities.

Source
Legit Security: How does Legit Security's AI remediation feature work?

The platform uses AI to suggest specific code fixes for identified vulnerabilities and can automatically create tickets in Jira with full context for developers to review and apply.

Source
Legit Security: Does Legit Security support compliance reporting?

Yes, Legit Security automates compliance automation with SBOM generation and can generate compliance reports for security and regulatory requirements.

Source
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