vowpal-wabbit ☆
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Description:
Online learning algorithm
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @VowpalWabbit  |  formulae.brew.sh
Category: Ai ml
Tags: machine-learning reinforcement-learning online-learning ai data-science
Install: brew install vowpal-wabbit
About:
VowpalWabbit is a high-performance, open-source machine learning system that excels at reinforcement learning and online learning. It is designed for extreme efficiency, capable of processing billions of examples on a single machine, making it ideal for large-scale, real-time applications.
Key Features:
  • Extreme efficiency and speed
  • Supports reinforcement learning
  • Contextual bandits capabilities
  • Feature hashing for large datasets
Use Cases:
  • Real-time ad targeting and bidding
  • Personalized recommendation systems
  • Large-scale click-through rate prediction
Alternatives:
  • XGBoost – XGBoost is primarily for batch supervised learning, while VW specializes in online learning.
  • TensorFlow – TensorFlow is a broader framework for deep learning, whereas VW is optimized for specific high-performance linear models.
Version History
Detected Version Rev Change Commit
Mar 1, 2026 10:05pm 0 REVISION_ONLY 0134b9ce
Oct 4, 2025 5:45pm 1 VERSION_BUMP bf088d45
Sep 12, 2025 6:21am 1 VERSION_BUMP 62a3cb19
Sep 11, 2025 7:37pm 1 VERSION_BUMP f119eaac
Sep 13, 2024 8:48pm 1 VERSION_BUMP ffffba23
Aug 28, 2024 1:05am 1 VERSION_BUMP 39a57e51
Aug 2, 2024 7:36pm 0 VERSION_BUMP 424c7e01
Aug 2, 2024 1:49pm 0 VERSION_BUMP 51ff9689
Sep 21, 2023 1:45pm 0 VERSION_BUMP a6f6b845
May 21, 2023 12:52pm 1 VERSION_BUMP e696da01
Mar 14, 2023 10:06pm 0 VERSION_BUMP a9d2261e
Mar 14, 2023 10:06pm 0 VERSION_BUMP 74b1021d
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