Meta: Llama Guard 4 12B · openrouter

Llama Guard 4 is a Llama 4 Scout-derived multimodal pretrained model, fine-tuned for content safety classification. Similar to previous versions, it can be used to classify content in both LLM...

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.18

Output, $/1M $0.18

Limits

Free: 50 requests a day
Free: 1 000 requests a day (if credits>=10)
Free: 20 requests a minute

Last checked 04.11.2026 12:08:11 UTC Source

Context 163 840

Max output 16 384

Accepts images, text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

Price alerts

API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://openrouter.ai/api/v1`
Endpoint	`https://openrouter.ai/api/v1/moderations`
Model id	`meta-llama/llama-guard-4-12b`

curl

curl https://openrouter.ai/api/v1/moderations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "meta-llama/llama-guard-4-12b", "input": "text to check"}'

Python

import requests

r = requests.post(
    "https://openrouter.ai/api/v1/moderations",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "meta-llama/llama-guard-4-12b",
      "input": "text to check"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://openrouter.ai/api/v1/moderations", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "meta-llama/llama-guard-4-12b",
    "input": "text to check"
  }),
});
console.log(await r.json());

Request (JSON)

{
  "model": "meta-llama/llama-guard-4-12b",
  "input": "text to check"
}

Response (JSON)

{
  "id": "modr-...",
  "model": "meta-llama/llama-guard-4-12b",
  "results": [
    {
      "flagged": false,
      "categories": {
        "harassment": false,
        "violence": false
      },
      "category_scores": {
        "harassment": 0.0001,
        "violence": 0.0002
      }
    }
  ]
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Aopenrouter%7Cmeta-llama/llama-guard-4-12b, prices checked 2026-11-04; seller's page: https://openrouter.ai/meta-llama/llama-guard-4-12b

Technical details

ID: offer:openrouter|meta-llama/llama-guard-4-12b