Side by side

gwpopulation vs Statistica

Both stand on statistical analysis software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

gwpopulation

Free plan APILinux

gwpopulation provides a focused toolkit for gravitational-wave population analysis, with Bilby integration, cosmology guidance, and multiple array backends. Users should weigh GridVT scaling and the stability warning for unreleased GPU-oriented code.

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Statistica

Free trial Self-hostedWebWindows

Statistica offers a wide statistical toolkit with Spotfire integration, scripting, and extensive import support. Buyers must request pricing, and recent releases include removed nodes and best-effort Windows 11 support.

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The facts

	gwpopulation	Statistica
Free plan	Yes	A free trial
Open source	Not published	Not published
Runs on	API, Linux	Self-hosted, Web, Windows
Lowest paid plan	Not published	Free or on request
Plans published	None	2
Maker	Not published	Not published
Website	colmtalbot.github.io	spotfire.com
On statistical analysis software	#68 of 106	#72 of 106

gwpopulation: what it does well

Free MIT-licensed package
Integrates with Bilby
Includes source population and selection models
Supports NumPy, CuPy, and JAX
GPU acceleration through JAX and CuPy

What to know first

GridVT cost grows exponentially with parameters
Unreleased main branch may contain more bugs
GPU use is specifically cautioned
Requires Python 3.10–3.13

Statistica: what it does well

Supports statistical tests and regression models
Imports many spreadsheet and statistical formats
Adds predictions and model results to Spotfire
Provides Python and R data-function support
Offers self-hosted and web deployment

What to know first

No free plan
Pricing is available only on request
Windows 11 support is best effort
Several data-import nodes were removed in Statistica 14.2

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