Flax
Neural network library for JAX by Google providing Linen module system.
About
Flax is a neural network library for JAX from Google, originally built by Google Brain with the JAX team. It provides module systems for defining models, training-state management, and serialization, and is used across many Google research projects. The newer Flax NNX API adds Python reference semantics so models behave like regular mutable objects, while the earlier Linen API remains supported. Released under the Apache 2.0 license.
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Details
- Category
- AI Frameworks & Libraries
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Advanced (4/5)
- License
- Apache-2.0
- Added
- Apr 3, 2026
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