Llama
Family overview — summarizes releases; licenses and availability belong to each release.
Llama is Meta's family of large language models. Meta's Llama models repository lists generations from Llama 2 (July 2023) through Llama 4 (April 2025), each with its own license file and acceptable use policy. Llama 4 is distributed under the custom Llama 4 Community License Agreement rather than a standard open-source license.13
- Repository: Llama models repository (external site: github.com)
- Model hub: Meta Llama on Hugging Face (external site: huggingface.co)
- Release notes: Llama 4 announcement (external site: ai.meta.com)
Releases assessed
| Release | Weights | Tier (USASI rubric v0.1) | License | Released |
|---|---|---|---|---|
| Llama 4 Maverick (17Bx128E) | Weights: Partial | Model-disclosure tier (USASI rubric v0.1): Restricted weights | Llama 4 Community License Agreement | Apr 5, 2025 |
| Llama 4 Scout (17Bx16E) | Weights: Partial | Model-disclosure tier (USASI rubric v0.1): Restricted weights | Llama 4 Community License Agreement | Apr 5, 2025 |
What it is useful for
Meta documents the Llama 4 models for commercial and research use, including assistant-style chat and visual reasoning for the instruction-tuned models and adaptation to other language generation tasks for the pretrained models.2
Organization context
Provenance and derivatives
Catalog records that name this entry in their provenance:
U.S. eligibility
Sources
This listing is not an endorsement, a safety assessment, or a federal approval.