clj-ml

Machine learning library for Clojure leveraging Weka and more.

DecliningOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Verified · Jul 12, 2026

Overview

What is clj-ml?

clj-ml is a machine learning library built for the Clojure programming language, providing access to various algorithms through integration with Weka. It simplifies the process of implementing machine learning models in Clojure applications.

Key differentiator

clj-ml stands out by providing a seamless integration of Weka's machine learning algorithms within the Clojure ecosystem, making it an ideal choice for developers who prefer to work exclusively in Clojure.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Integration with Weka for a wide range of machine learning algorithms.medium

Simplified API for implementing machine learning models in Clojure.medium

Extensive documentation and examples.medium

↓ Weaknesses

Limited language support due to Clojure-centric designhigh

clj-ml is built specifically for the Clojure programming language, limiting its usability in non-Clojure environments.

Dependence on Weka can lead to performance bottlenecksmedium

Weka's algorithms and data structures may not be optimized for modern hardware or large datasets, potentially leading to slower performance compared to more recent machine learning libraries.

Smaller community and limited third-party integrationshigh

The Clojure ecosystem is smaller than other mainstream programming languages like Python, which can result in fewer contributors and less comprehensive third-party support for clj-ml.

Fit analysis

Who is it for?

✓ Best for

Developers looking for a Clojure-specific library to integrate machine learning models.

Projects that require the use of Weka algorithms within a Clojure environment.

Educators and students who want to teach or learn machine learning using Clojure.

✕ Not a fit for

Teams requiring real-time streaming data processing capabilities.

Developers working in languages other than Clojure, as it is tightly integrated with the language.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with clj-ml

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →