Open-source releaseHigh global significanceConfirmed confidence
Meta releases Llama 4
Meta releases its fourth-generation open model family with larger parameter scales and an optimized mixture-of-experts architecture.
What happened
Event details
Meta released Llama 4 on April 5, 2025. The model has 400B+ MoE parameters, is open source and is classified as a mixture-of-experts Transformer; The Llama 4 herd announcement is the primary source.
Assessment
Why it matters
An open-source release with a documented model, project scope or access condition.
79/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Publicly available as an open-source model family.