juniorKeras

What is a Sequential model in Keras?

Updated May 16, 2026

Short answer

Sequential model is a linear stack of layers in Keras.

Deep explanation

It is used when each layer has exactly one input and one output, making it simple for feedforward networks.

Real-world example

Basic regression or classification tasks like house price prediction.

Common mistakes

  • Using Sequential for multi-input or complex architectures.

Follow-up questions

  • When should you avoid Sequential models?
  • What is alternative to Sequential?

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