Unverified60% confidenceFactExact time
Meta's Llama series makes model weights publicly available, but the license agreement has certain restrictions on commercial use and derivative models, making it open weights rather than open source in the traditional sense.
2
Sources
60%
Confidence
Long-term
Relevance
9/5/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMeta's Llama series initially adopted a relatively restrictive community license, which was gradually relaxed to the more open terms of Llama 3.1.72% similarUnverifiedOpen weights are not the same as open source, and the commercial license terms vary widely between models and must be checked before launch.72% similarUnverifiedSome so-called open-source models come with commercial use restrictions or clauses such as 'may not be used for competitive products'.68% similarUnverifiedOnce released, open-weight models cannot be recalled, and vendors cannot prevent misuse through back-end intervention.63% similarUnverifiedCopyleft licenses such as GPL and AGPL require derivative works to be open-sourced under the same license, whereas permissive licenses such as MIT and Apache 2.0 allow use in closed-source commercial products.62% similar
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