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Amazon Redshift vs GNAT Pro

Amazon Redshift logo

Amazon Redshift

Databases

Fast, scalable cloud data warehouse from AWS

From
Free
Free plan
Yes
Visit Amazon RedshiftFull review
GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Free plan
No
Visit GNAT ProFull review

The short version

  • Amazon Redshift is a fast, fully managed cloud data warehouse.
  • Amazon Redshift starts at $0.25/mo; GNAT Pro prices on request.
  • Where Amazon Redshift falls short: on-demand pricing runs up to 75% higher than competitors like Snowflake and BigQuery.
  • Where GNAT Pro falls short: no pricing published on website; requires contacting AdaCore directly for quotes.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Amazon Redshift and GNAT Pro actually diverge.

Attributes where Amazon Redshift and GNAT Pro differ
AttributeAmazon RedshiftGNAT Pro
Starting priceFreeOn request
Pricing modelUsage-basedQuote
Free tierYesNo
CategoryDatabasesDeveloper Tools

Identical on both: platforms (Web).

Not yet recorded: founded for GNAT Pro.

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 Amazon Redshift

  • Columnar Storage
  • Massively Parallel
  • Machine Learning
  • AQUA Acceleration
  • Data Sharing
  • Federated Query
  • Concurrency Scaling
  • S3

Only in GNAT Pro

Nothing recorded that Amazon Redshift does not also cover.

What people use each for

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

Amazon Redshift

  • Business intelligencenot GNAT Pro
  • Data warehousingnot GNAT Pro
  • Real-time analyticsnot GNAT Pro
  • Reportingnot GNAT Pro
  • Machine learningnot GNAT Pro

GNAT Pro

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

Where each one falls short

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

Amazon Redshift

  • On-demand pricing runs up to 75% higher than competitors like Snowflake and BigQuery
  • Requires significant manual tuning including managing concurrency scaling costs and configuring Workload Management queues
  • Performance degrades without proper design of distribution keys and sort keys
  • Limited elastic resize options - can only halve or double current cluster size
  • AWS lock-in makes it unsuitable for multi-cloud architectures

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

Amazon Redshift

Free
  • Free TrialFree
    • 750 DC2.Large hours
    • 2 months free
    • Full features
  • On-Demand$0.25/hour
    • Pay per node hour
    • All features
    • Standard support

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Which should you pick?

Choose Amazon Redshift if

  • You need columnar storage.
  • You want to start without paying.
  • You also want massively parallel.
Amazon Redshift review

Choose GNAT Pro if

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

GNAT Pro review

Questions people ask

Is Amazon Redshift or GNAT Pro better?
Neither clearly leads. Amazon Redshift starts at Free and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Redshift or GNAT Pro?
Amazon Redshift has a free tier; the other does not. Paid plans start at Free for Amazon Redshift and On request for GNAT Pro.
Does Amazon Redshift or GNAT Pro run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Amazon Redshift for free?
Yes. Amazon Redshift has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is Amazon Redshift best used for?
Amazon Redshift is most often used for business intelligence, data warehousing, real-time analytics, reporting. Of those, business intelligence and data warehousing are not what GNAT Pro is typically brought in for.
What can Amazon Redshift do that GNAT Pro cannot?
Amazon Redshift covers Columnar Storage, Massively Parallel, Machine Learning, AQUA Acceleration.

Answered from the vendors’ own pages

Amazon Redshift: What deployment options does Amazon Redshift offer?

Redshift offers Provisioned Cluster (with RA3 or DC2 nodes) and Serverless options to match varying workloads. The new Redshift RG instance family, powered by Graviton, delivers 2.4x faster performance than RA3 at 30% lower cost per vCPU.

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
Amazon Redshift: What does Amazon Redshift cost?

Provisioned cluster pricing: RA3 on-demand starts at $1.086/hour for ra3.xlplus. Serverless costs approximately $0.375 per RPU-hour with 4-RPU minimum (roughly $1.50/hour active workload). Managed storage costs $0.024/GB-month.

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
Amazon Redshift: Does Redshift work with data lakes?

Yes, Redshift's integrated data lake query engine processes workloads on Apache Iceberg tables and other supported formats in Amazon S3, allowing you to run SQL analytics across your data warehouse and data lake from the same engine.

Source
Amazon Redshift: Is there a free tier for Amazon Redshift?

AWS offers a free trial with $300 USD in Serverless credits valid for 90 days, but Redshift is not part of the permanent AWS Free Tier.

Source
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