Huawei Technologies Co.’s secretive AI research lab has pushed back against accusations it relied on rivals’ models to develop its own Pangu platform, taking the unusual step of rebutting claims about its artificial intelligence efforts.

Huawei's artificial intelligence research division has rejected claims that a version of its Pangu Pro large language model has copied elements from an Alibaba model, saying that it was independently developed and trained.

Huawei Technologies research unit has denied claims that a version of its Pangu Pro large language model has copied parts from an Alibaba (NYSE:BABA) model, noting that it was independently developed and trained,