Best Neptune Alternatives ranked by AI · updated May 2025

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Neptune is a machine learning experiment tracking tool that helps you keep track of your experiments and collaborate with your team.

Price: Free with paid plans available

Top 6 Neptune alternatives

Sacred

IDSIA

Sacred is an open-source Python framework for configuring, running, and recording computational experiments, especially in machine learning research. It provides observers, ingredient-based...

Pros

Lightweight Python-first experiment configuration and tracking
Supports reproducibility through captured source code, configuration, and host information
Can log to MongoDB, files, and other observers without a mandatory cloud account

Cons

Less polished experiment dashboarding than MLflow or Weights & Biases
Smaller ecosystem and community than newer ML platforms
Requires more manual setup for team collaboration and artifact management

Free, open source

Alternatives to Sacred → Visit site

Modulos

Modulos is an MLOps platform for data science and engineering teams to develop, deploy, and manage machine-learning models. It focuses on repeatable...

Pros

Covers more of the model lifecycle than experiment-tracking-only tools
Targets repeatable production deployment for engineering teams
More focused on operational ML workflows than notebook-centric platforms

Cons

Smaller ecosystem and community than MLflow or Kubeflow
Less transparent pricing than self-hosted open-source alternatives
Fewer integrations and learning resources than major cloud ML platforms

N/A

Alternatives to Modulos → Visit site

Floyd

Floyd is a platform for building and training deep learning models in the cloud.

Starting at $0.432/hour

Alternatives to Floyd → Visit site

ModelDepot

ModelDepot is a platform that provides a marketplace for machine learning models and datasets.

Varies

Alternatives to ModelDepot → Visit site

Weights & Biases

Weights & Biases is a machine learning experiment tracking tool to help you easily track and visualize machine learning experiments.

Free with paid plans available

Alternatives to Weights & Biases → Visit site

Comet.ml

Comet.ml is a machine learning operations platform that enables data scientists and teams to track, compare, explain, and optimize experiments and models.

Free tier available, paid plans starting at $45/month

Alternatives to Comet.ml → Visit site

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