AI engineering glossary · Deep learning core

What is checkpoint?

Checkpoint (also called Model checkpoint): A saved snapshot of a model's weights, and usually optimiser state and epoch number, written to disk during training. It allows resuming after an interruption and keeping the best-performing version.

Level: beginnerTopic: Deep learning core

Checkpoint: an example

Saving a file every epoch lets a Colab run that disconnects at epoch 12 resume from epoch 12.

Related terms

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Where you learn it

Checkpoint is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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