# Difference torch dynamo and torch script

**URL:** <https://dev-discuss.pytorch.org/t/difference-torch-dynamo-and-torch-script/1973>\
**Category:** torchscript\
**Created:** [March 27, 2024, 4:37am UTC](https://dev-discuss.pytorch.org/t/difference-torch-dynamo-and-torch-script/1973 "2024-03-27T04:37:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Aruna](https://avatars.discourse-cdn.com/v4/letter/a/71e660/32.png) [@Aruna](https://dev-discuss.pytorch.org/u/Aruna)\
**Post date:** [March 27, 2024, 4:37am UTC](https://dev-discuss.pytorch.org/t/difference-torch-dynamo-and-torch-script/1973/1 "2024-03-27T04:37:44Z")

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Hi  
As torch dynamo backends provide fusion and also there is fusions available with torchscript apis. What are the difference between these two?

Thank you