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Developer Tools · head to head

GNAT Pro vs Helix

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
Helix logo

Helix

Developer Tools

Post-modern modal text editor for the terminal, written in Rust

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Helix 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; Helix no official GUI application yet, so it requires comfort with terminal workflows.

Where they differ

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

Attributes where GNAT Pro and Helix differ
AttributeGNAT ProHelix
Starting priceOn requestFree
Pricing modelquoteopen-source
Free tierNoYes
PlatformsWeblinux, mac, windows

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

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 Helix does not also cover.

Only in Helix

  • Multiple Selections
  • Tree-sitter Syntax Trees
  • Built-in LSP Support
  • Fuzzy File Finder
  • Project-wide Search

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

Helix

  • Editing code over SSH or in tmux sessionsnot GNAT Pro
  • Working with syntax-aware selection and navigationnot GNAT Pro
  • Getting IDE-like completion and diagnostics without plugin setupnot GNAT Pro
  • Lightweight, low-resource code editing on laptopsnot 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

Helix

  • No official GUI application yet, so it requires comfort with terminal workflows.
  • Plugin ecosystem is far smaller than Vim's or Neovim's, limiting customization.
  • Keybindings differ from both Vim and Kakoune, adding a learning curve for users of either.
  • Configuration is more limited than Neovim's Lua-based extensibility.

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Helix

Free
  • FreeFree
    • Full editor, no paid tiers

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Helix if

  • You need multiple selections.
  • You want to start without paying.
  • You work on linux, mac, windows.
  • You also want tree-sitter syntax trees.
Helix review

Questions people ask

Is GNAT Pro or Helix better?
Neither clearly leads. GNAT Pro starts at On request and Helix at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Helix?
Helix has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Helix.
Does GNAT Pro or Helix run on more platforms?
GNAT Pro runs on Web. Helix runs on linux, mac, windows.
Can I use Helix for free?
Yes. Helix 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 Helix is typically brought in for.
What can GNAT Pro do that Helix cannot?
Helix covers Multiple Selections, Tree-sitter Syntax Trees, Built-in LSP Support, Fuzzy File Finder.

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
Helix: Is Helix free to use?

Yes, Helix is free and open source, licensed under the Mozilla Public License 2.0 (MPL-2.0), with no paid tiers or subscriptions.

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
Helix: How do I install Helix?

Install via your operating system's package manager, or download pre-built binaries from GitHub Releases; the nightly version requires building from source.

Source
Helix: Does Helix support plugins?

Not yet. Helix currently has no plugin system, though the project intends to add one eventually; it instead ships with built-in LSP and tree-sitter support out of the box.

Source
Helix: How do I configure Helix?

Helix ships with sane modern defaults requiring much less config-file fiddling than Vim, though settings can still be customized in a config.toml file.

Source
Helix: Where can I get help or support?

Support is community-driven via GitHub for code and issues, the Matrix chat for discussion, and OpenCollective for funding ongoing development.

Source
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