LLaMA controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2025
Dispute over Llama 4 benchmark presentation
Critics objected that Meta highlighted results from an experimental conversational version of Llama 4 Maverick rather than the publicly released model. LMArena said Meta’s presentation did not match its expectations for disclosure and indicated that it would change policies; Meta also denied allegations that it trained on benchmark test sets.
2023
Unauthorized distribution of Llama 1 weights
The first Llama weights were redistributed online without Meta’s authorization, including through BitTorrent. Meta sought removal of linked repositories and downloading scripts, while researchers and developers debated the benefits and risks of the wider access.
2023
Copyright and training-data litigation
Authors sued Meta over allegations concerning the use of copyrighted books and other material in training language models. The allegations have been contested and the legal issues concern copyright, dataset construction, and disclosure of training practices.