Repository: huggingface/transformers
Pull request: fix: gas for gemma fixed

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Fixes #40564


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Changed files:
filename: src/transformers/models/gemma3/modeling_gemma3.py
patch: @@ -969,6 +969,9 @@ class Gemma3ForConditionalGeneration(Gemma3PreTrainedModel, GenerationMixin):
         "^language_model.lm_head": "lm_head",
     }
     _tied_weights_keys = ["lm_head.weight"]
+    # we are filtering the logits/labels so we shouldn't divide the loss based on num_items_in_batch
+    # Fix: https://github.com/huggingface/transformers/issues/40564
+    accepts_loss_kwargs = False
 
     def __init__(self, config: Gemma3Config):
         super().__init__(config)

filename: src/transformers/models/gemma3/modular_gemma3.py
patch: @@ -869,6 +869,10 @@ def forward(
 
 
 class Gemma3ForConditionalGeneration(PaliGemmaForConditionalGeneration):
+    # we are filtering the logits/labels so we shouldn't divide the loss based on num_items_in_batch
+    # Fix: https://github.com/huggingface/transformers/issues/40564
+    accepts_loss_kwargs = False
+
     @auto_docstring
     def forward(
         self,