Softwr

Developer Tools · head to head

GNAT Pro vs Honeycomb

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
Honeycomb logo

Honeycomb

Technology

Observability that's actually useful

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Honeycomb 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; Honeycomb free tier caps at 20 million events per month and 100 million metrics data points
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where GNAT Pro and Honeycomb differ
AttributeGNAT ProHoneycomb
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
CategoryDeveloper ToolsTechnology

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

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

Honeycomb

  • Tracing requests through distributed microservicesnot GNAT Pro
  • Observing AI agent behavior in productionnot GNAT Pro
  • Debugging cloud migrations in real-timenot GNAT Pro
  • Monitoring Kubernetes across multiple cloudsnot 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

Honeycomb

  • Free tier caps at 20 million events per month and 100 million metrics data points
  • Pro tier starts at $150 per month for only 50 million events, with cost scaling per additional event block up to its 750 million event ceiling
  • Enterprise tier's event and data point volumes are variable and its price is custom, requiring direct sales contact
  • Telemetry Pipeline is billed separately at $0.10 per GB on top of the base plan price

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Honeycomb

Free
  • FreeFree
    • 20M events per month
    • 100M metrics data points per month
    • 2 Triggers
  • Pro$150/month
    • 750M events per month
    • 3.75B metrics data points per month
    • 100 Triggers

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Honeycomb if

  • You want to start without paying.
Honeycomb review

Questions people ask

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

Honeycomb offers a free plan forever with up to 20M events per month and 100M metrics data points per month, best for testing and individual projects.

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
Honeycomb: What is the cost of Honeycomb's Telemetry Pipeline?

Honeycomb's Telemetry Pipeline starts at $0.10 per GB, with monthly or annual billing options available.

Source
Honeycomb: Can I get custom Honeycomb pricing?

Yes, Honeycomb offers Enterprise plans with custom pricing and a base allowance starting at 10 billion events per year with dedicated support.

Source
Share

Related pages

More on GNAT Pro

More on Honeycomb

Keep looking

Other head to heads