Expired50% confidenceFactExact time
Although Meta's LLaMA series, Mistral, and other models are referred to as open source, they all come with usage restriction clauses and are strictly speaking closer to open weights.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/19/2026
First Seen
Valid until: 10/17/2026(expired)
Sources
为何必须主动资助开源AI：从公共产品视角看技术民主化
Related Claims
UnverifiedMeta's LLaMA series and Mistral follow an open-weight model rather than strict open source.84% similarUnverifiedMeta's LLaMA series and the GLM series are both open weight rather than strictly open source.76% similarUnverifiedMeta's LLaMA series is a typical open-weights model, with publicly available weights but non-transparent training data; EleutherAI's Pythia series is fully open-source75% similarVerifiedMeta发布的LLaMA系列采用开放权重策略，奠定了开源基础模型的生态基础73% similarUnverifiedOpen-source large models such as Meta's LLaMA series, Mistral, and Falcon have formed an active open-source AI ecosystem73% similar
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