Unverified50% confidenceFactExact time
Keras 3 is a major rewrite of the Keras framework, with its biggest highlight being multi-backend support, allowing the same model code to switch freely between TensorFlow, PyTorch, and JAX.
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50%
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Long-term
Relevance
9/24/2026
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UnverifiedSwitching backends in Keras 3 only requires setting the environment variable KERAS_BACKEND=torch or KERAS_BACKEND=jax, without modifying the model code itself.76% similarUnverifiedKeras 3 addresses the community fragmentation caused by the long-term coexistence of tf.keras and the standalone Keras version by introducing a unified backend abstraction layer.70% similarUnverified2019 年 Keras 被正式整合为 TensorFlow 的高层 API（tf.keras）66% similarUnverifiedKeras最初是独立的高阶神经网络API，自TensorFlow 2.0起被整合为官方高级接口（tf.keras）65% similarUnverifiedKeras 由 François Chollet 在2015年创建，是 TensorFlow 的高层 API 封装，已被正式整合为 TensorFlow 的官方高层接口（tf.keras）63% similar
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