Build the most powerful models with C++

OpenNN is an open-source neural networks library for machine learning.
It solves many real-world applications in energy, marketing, health, and more.

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Learning Tasks

OpenNN contains sophisticated algorithms and utilities to deal with the following artificial intelligence solutions:


Neural networks regression

Model outputs as the
function of inputs.


Neural networks classification

Assign patterns to
given categories.


Neural networks forecasting

Make predictions
about the future.


Neural networks association

Discover relations
between variables.

Get started with OpenNN for C++

OpenNN Users

The library has more than 50000 research and enterprise users, among which are the following organizations:

Neural Designer

Neural Designer is a software tool that helps people build neural network models without the need for programming. It is developed from OpenNN and contains a user interface that simplifies data entry and interpretation of results.

Neural Designer screenshot
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Consulting Services

OpenNN is being developed by Artelnics; a consulting company specialized in artificial intelligence and big data.
Our team carries out projects with enterprise customers to get the best results from their data.

Artelnics machine learning consulting
Contact Artelnics Team