Data Pipelines

climin

Optimization library for machine learning with gradient descent and more.

Status
UnmaintainedNo commits in 3683 days.
Last checked
Checked · Oct 14, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Climin is an optimization library focused on machine learning, providing pythonic implementations of various optimization algorithms such as gradient descent, LBFGS, rmsprop, adadelta, and others. It's designed to be easy to use and integrate into existing Python projects for optimizing models.

Climin stands out as an open-source, self-hosted library offering a wide range of optimization algorithms specifically tailored for machine learning in Python.

When it fits — and when it doesn’t

A good fit for

  • Developers who need a flexible library for implementing various optimization algorithms in Python

  • Data scientists working on deep learning projects requiring gradient descent or similar methods

Look elsewhere if

  • Projects that require real-time optimization and cannot afford the overhead of Python

  • Teams looking for a cloud-based managed service for optimization tasks

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited active development and community support

    The last commit was over a year ago, and the GitHub issues are not frequently addressed.

  2. 02

    No support for modern Python versions

    The library has not been updated to be compatible with Python 3.8+ features.

  3. 03

    Limited integration with popular ML frameworks

    Direct integrations with TensorFlow, PyTorch are not well-supported or documented.

What it does well

  • Implementations of various optimization algorithms for machine learning

  • Pythonic and easy to integrate into existing projects

  • Focus on gradient descent, LBFGS, rmsprop, adadelta

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up climin

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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