Online Learning Python Packages

river

🌊 Online machine learning in Python

adaptive-classifier

A flexible, adaptive classification system for dynamic text classification

vowpalwabbit

Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive learning.

cadence-net

A brain that learns from live experience. System 1 by default: perception, memory, plasticity and action. Optional System 2 for self-observation and slow corrections.

polars-online

Online model fitting for Polars: linear models, streaming moments, clustering and regime detection, on data that does not fit in memory

capymoa

CapyMOA does efficient machine learning for data streams in Python. CapyMOA is a toolbox of methods and evaluators for: classification, regression, clustering, anomaly detection, semi-supervised learning, online continual learning, and drift detection for data streams.

xcsf

XCSF learning classifier system: rule-based online evolutionary machine learning

creme

🌊 Online machine learning in Python

continuum

A clean and simple data loading library for Continual Learning

pysad

Streaming anomaly detection in Python: 16 online detectors (xStream, LODA, RS-Hash, Half-Space Trees, RRCF…) plus calibration and prequential evaluation for real-time data.

timemachines

Temporal online machines: streaming anomaly detection with calibrated p-values, built on skaters

rtrec

An realtime recommendation system supporting online updates

matrix-factorization

Library for matrix factorization for recommender systems using collaborative filtering

timecast-nightly

Performant, composable online learning

pyxab

PyXAB - A Python Library for X-Armed Bandit and Online Blackbox Optimization Algorithms

braintrace

Eligibility trace-based online learning for brain dynamics

hypergan

Composable GAN framework with api and user interface

simurg

Zero-leak online detection of LLM decoding corruption and Free Web Search for your AI agents! Catch repetition loops, language drift and garbage mid-stream, before the user sees a bad token. Works with any OpenAI-compatible API.

opes

An open-source Python module for portfolio optimization and backtesting

streamcal

Streaming isotonic probability calibration with compact per-bin state and forgetting

multivariate-bocd

Multivariate Bayesian Online Changepoint Detection

ondil

A package for online distributional learning.

deep-river

Online Deep Learning for river

rolch

A package for online distributional learning.