Project AURIONAI Use-Cases Research & Innovation
Meta
guard

Llama Guard 4 12B

Meta's guard model on MLCommons hazards S1 to S13 plus S14 (code interpreter abuse), for text and multiple images. In-house test set: English F1 61%, multilingual F1 51%.

MetaMetaUSA
Diagram of the Llama Guard 4 12B architecture: dense feedforward layers initialised from the shared expert, from the model card.
Levelmodel
Classguard
Parameters12B
Contextnot in the notes
ReleasedApr 2025
Opennessopen weights restricted
Runs onnot in the notes
Statusactive

Lineage

upcycle prune expand
Llama 4 Scout to Llama Guard 4 12B: upcycle prune expand, high confidenceLlama 4 ScoutLlama 4 ScoutMeta, Apr 2025Llama Guard 4 12BLlama Guard 4 12BMeta, Apr 2025
MetaLlama 4 Scout is the parent (upcycle prune expand)high confidencemodel card
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.

R&D Topics

Guardrails and safety classifiersproduced by

Identity

Developer
Meta
Family
not in the notes
Released
Apr 2025 sourcesnotes
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer
Total parameters
12B sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
text, image
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
Llama 4 Community License sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
English + 7 languages (FR, DE, HI, IT, PT, ES, TH); no Indonesian
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. huggingface.co/meta-llama/Llama-Guard-4-12B https://huggingface.co/meta-llama/Llama-Guard-4-12B

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Llama Guard 4 12B", https://aurion.semai.id/models/meta-llama-guard-4-12b/, records of October 2026.