katago ☆
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Description:
Neural Network Go engine with no human-provided knowledge
Type: Formula  |  Latest Version: s9996604416-d4316597426@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Ai ml
Tags: ai go board-game engine reinforcement-learning
Install: brew install katago
About:
KataGo is a powerful open-source Go engine that utilizes deep neural networks to evaluate board positions and play at a professional level. Unlike traditional engines, it does not rely on human-crafted rules or joseki databases, instead learning purely from self-play reinforcement learning. This allows it to discover novel strategies and provide highly accurate win-rate analysis for players of all levels.
Key Features:
  • Neural network-based analysis with no human-provided knowledge
  • Support for analysis including win rates, score differences, and territory estimates
  • Strong playing strength, capable of beating professional players
  • Configurable strength for training and casual play
  • Open source and actively developed
Use Cases:
  • Analyzing Go games to understand mistakes and improve strategy
  • Playing against a strong AI opponent for practice
  • Generating opening books or joseki variations
  • Integrating AI analysis into Go server backends
Alternatives:
  • Leela Zero – Leela Zero was one of the first open-source projects to achieve strong play via self-play, but KataGo generally offers stronger performance and more detailed analysis features.
  • Komi – Komi is a commercial Go AI, while KataGo provides a free, open-source alternative with comparable strength.
Version History
Detected Version Rev Change Commit
Sep 15, 2025 4:44pm s9996604416-d4316597426 0 VERSION_BUMP 5e67a931
Sep 12, 2025 1:30pm s9996604416-d4316597426 0 VERSION_BUMP 7340a904
Sep 11, 2024 2:14am 0 VERSION_BUMP 4ffbe456
Sep 1, 2024 12:34am 0 VERSION_BUMP dfa21297
May 25, 2023 10:14pm 0 VERSION_BUMP 63cfd3a3
May 25, 2023 12:22pm 0 VERSION_BUMP b7f068d9
Feb 18, 2023 12:22pm 0 VERSION_BUMP 4330ec9b
Feb 18, 2023 12:22pm 0 VERSION_BUMP 4e69e03a
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