PredictionIO vs Seldon: What are the differences?

PredictionIO: Open Source Machine Learning Server. PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery; Seldon: Open-source predictive analytics and recommendation engine. Seldon is an Open Predictive Platform that currently allows recommendations to be generated based on structured historical data. It has a variety of algorithms to produce these recommendations and can report a variety of statistics.

PredictionIO can be classified as a tool in the "Machine Learning Tools" category, while Seldon is grouped under "Predictive Analytics".

Some of the features offered by PredictionIO are:

• Integrated with state-of-the-art machine learning algorithms. Fine-tune, evaluate and implement them scientifically.
• Customize the modularized open codebase to fulfill any unique prediction requirement.
• Built on top of scalable frameworks such as Hadoop and Cascading. Ready to handle data of any scale.

On the other hand, Seldon provides the following key features:

• Real-time predictive scoring that exposes a REST API for external clients
• Vector-based models for language modelling using Semantic vectors
• Custom Offline Models

PredictionIO and Seldon are both open source tools. PredictionIO with 11.8K GitHub stars and 1.92K forks on GitHub appears to be more popular than Seldon with 1.4K GitHub stars and 303 GitHub forks.