UnionML – a Python framework for building ML microservices
Hi HN! Niels here. I'm the creator of UnionML (https://github.com/unionai-oss/unionml), a Python MLOps framework that removes the boilerplate and friction associated with building and deploying machine learning systems to production. I've been training and deploying models for almost a decade now, and one pain-point I've consistently had is managing the complexity of building and maintaining an ML stack that works for the entire model development lifecycle - from prototyping to production. UnionML is built on top of Flyte (https://www.flyte.org) and exposes a…
UnionML – a Python framework for building ML microservices launched on June 21, 2022 with 12 votes, #950 of 3,005 launches that month and more than 75% of that year's launches.
In plain words
UnionML is a Python framework for building machine learning microservices that simplifies the process of taking models from development to production. Built on top of Flyte, it uses decorators to define ML application components and automatically packages them into microservices for training, batch prediction, and online prediction. The framework targets data scientists and ML engineers who want to reduce complexity and boilerplate when managing the full model lifecycle.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! Niels here. I'm the creator of UnionML (https://github.com/unionai-oss/unionml), a Python MLOps framework that removes the boilerplate and friction associated with building and deploying machine learning systems to production. I've been training and deploying models for almost a decade now…
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