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mlpack

● Identity checked

ML library · Vendor site 2026-10-04

mlpack is a fast, header-only C++ machine learning library with bindings to Python, Julia, R, Go, and command-line tools. It ships cutting-edge algorithms on Armadillo, ensmallen, and cereal, targeting researchers and engineers who need portable, extensible ML code.

Updated 2026-10-04View sources
Official website
Category
ML library
Free access
Site distributes mlpack under the permissive 3-clause BSD license with free downloads.
API access
Not confirmed

Is mlpack right for you?

A good fit for

C++ and Python developers who want a header-first ML toolkit with multi-language bindings and CLI utilities.

Before you choose

Project is a library rather than a hosted service; you compile or install releases on your own machines.

Header-only C++ machine learning library

mlpack advertises fast, extensible implementations of modern ML algorithms with multi-language bindings and an open-source BSD-licensed distribution model.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Latest releaseHomepage lists mlpack 4.8.0 released June 9, 2026 as the current download.Facts sourced2026-10-04
BindingsMarketing highlights Python, Julia, R, Go, and command-line interfaces atop C++ headers.Facts sourced2026-10-04
GovernanceSite notes open governance and NumFOCUS fiscal sponsorship for the project.Facts sourced2026-10-04

Understand the total cost

mlpack pricing & plans

Free

Free

Site distributes mlpack under the permissive 3-clause BSD license with free downloads.

Access
Site distributes mlpack under the permissive 3-clause BSD license with free downloads.
Explore pricing & history

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The practical questions

Frequently asked questions

What is mlpack used for?

mlpack is a fast, header-only C++ machine learning library with bindings to Python, Julia, R, Go, and command-line tools. It ships cutting-edge algorithms on Armadillo, ensmallen, and cereal, targeting researchers and engineers who need portable, extensible ML code.

Does mlpack have a free plan?

Site distributes mlpack under the permissive 3-clause BSD license with free downloads.. This record lists ongoing free access; check the plan limits before starting.

How much does mlpack cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use mlpack through an API?

Not confirmed. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Project is a library rather than a hosted service; you compile or install releases on your own machines.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.