# How to modify loss function in a seq2seq trainer?

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**Category:** 🤗Transformers\
**Created:** [August 30, 2024, 3:15pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fhow-to-modify-loss-function-in-a-seq2seq-trainer%2F104680 "2024-08-30T15:15:16Z")\
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**Author:** ![nielsr](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/nielsr/32/39617_2.png) [@nielsr](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2Fnielsr)%5C
**Post date:** [August 31, 2024, 8:36am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fhow-to-modify-loss-function-in-a-seq2seq-trainer%2F104680%2F2 "2024-08-31T08:36:57Z")

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Hi,

You can overwrite the Seq2SeqTrainer’s compute\_loss method as shown [here](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fspecify-loss-for-trainer-trainingarguments%2F10481%2F2).

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