--- title: Meta: Llama Guard 4 12B API | Text Generation | ModelsLab description: 12B parameter multimodal LLM safety classifier for text/image content moderation in prompts/responses, 164K context window, MLCommons-aligned.[1][2][4] url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/meta/meta-llama-llama-guard-4-12b.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/meta/meta-llama-llama-guard-4-12b.md type: product component: Playground/LLM/Index generated_at: 2026-07-11T23:04:31.133523Z --- Meta: Llama Guard 4 12B --- [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/meta-llama-llama-guard-4-12b/llms.txt) [.md](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/meta/meta-llama-llama-guard-4-12b.md) Meta: Llama Guard 4 12B --- Choose a prompt below to get started or type your own message Explain quantum computing in simple terms Write a Python function to sort a list Create a marketing email for a SaaS product Compare REST vs GraphQL APIs Send ### Meta: Llama Guard 4 12B meta meta-llama-llama-guard-4-12b Copy model ID PricingInput $0.18 / 1M tokens Output $0.18 / 1M tokens API EndpointsOpenAI Compatible `https://modelslab.com/api/v7/llm/chat/completions`Endpoint Anthropic Compatible `https://modelslab.com/api/v7/llm/v1/messages`Messages `https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens `https://modelslab.com/api/v7/llm/v1/models`Models Use with Claude Code cURL Example ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses. Temperature0.7 Max Tokens1000 Top P0.9 Frequency Penalty0 Presence Penalty0 Model Info Support Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [#### open\_router/Qwen: Qwen3 Next 80B A3B Instruct qwen-qwen3-next-80b-a3b-instruct From $0.59/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-next-80b-a3b-instruct) [#### open\_router/Z.ai: GLM 4.5 z-ai-glm-4.5 From $1.40/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/z-ai-glm-4.5) [#### open\_router/Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) google-gemini-3.1-flash-lite-image From $0.88/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-flash-lite-image) [#### open\_router/Qwen: Qwen3 Max qwen-qwen3-max From $2.34/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-max) [#### open\_router/MoonshotAI: Kimi K2.5 moonshotai-kimi-k2.5 From $1.20/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/moonshotai-kimi-k2.5) [#### open\_router/Qwen: Qwen3 Coder Plus qwen-qwen3-coder-plus From $1.95/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-coder-plus) [#### open\_router/MiniMax: MiniMax-01 minimax-minimax-01 From $0.65/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/minimax-minimax-01) [#### open\_router/Google: Gemini 3.1 Flash Lite google-gemini-3.1-flash-lite From $0.88/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-flash-lite) [#### open\_router/MythoMax 13B gryphe-mythomax-l2-13b From $0.06/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/gryphe-mythomax-l2-13b) [#### alibaba\_cloud/Qwen: Qwen3.5-27B qwen-qwen3.5-27b From $1.35/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/alibaba_cloud/qwen-qwen3.5-27b) [#### open\_router/Baidu: ERNIE 4.5 VL 424B A47B baidu-ernie-4.5-vl-424b-a47b From $0.83/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/baidu-ernie-4.5-vl-424b-a47b) [#### open\_router/Amazon: Nova Micro 1.0 amazon-nova-micro-v1 From $0.09/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/amazon-nova-micro-v1) [#### open\_router/MoonshotAI: Kimi K2.6 moonshotai-kimi-k2.6 From $2.04/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/moonshotai-kimi-k2.6) [#### open\_router/ByteDance: UI-TARS 7B bytedance-ui-tars-1.5-7b From $0.15/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/bytedance-ui-tars-1.5-7b) [#### open\_router/Mistral Large mistralai-mistral-large From $4.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-large) [#### open\_router/Perceptron: Perceptron Mk1 perceptron-perceptron-mk1 From $0.82/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/perceptron-perceptron-mk1) [#### open\_router/Mistral: Saba mistralai-mistral-saba From $0.40/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-saba) [#### open\_router/Anthropic Claude Haiku Latest anthropic-claude-haiku-latest From $3.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/anthropic-claude-haiku-latest) Open Source Alternatives --- Explore open-source models that offer similar capabilities with full transparency and flexibility [View all open source models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llm&provider=open-source-models) [MU Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Modelslab: Uncensored Chat Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat) About Meta: Llama Guard 4 12B --- 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... ### Technical Specifications Model IDmeta-llama-llama-guard-4-12b CategoryLLM Models TaskText Generation Price$0.18 per million tokens AddedFebruary 20, 2026 ### Key Features - Chat completion and multi-turn conversation API - Streaming response with token-by-token output - Function calling and tool use support - System prompts and role-based messaging - JSON mode and structured output ### Quick Start Integrate Meta: Llama Guard 4 12B into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v7/llm/chat/completions" headers = { "Content-Type": "application/json" } data = { "model_id": "meta-llama-llama-guard-4-12b", "messages": [ { "role": "user", "content": "Hello!" } ], "max_tokens": 1000, "key": "YOUR_API_KEY" } try: response = requests.post(url, headers=headers, json=data) response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX) result = response.json() print("API Response:") print(json.dumps(result, indent=2)) except requests.exceptions.HTTPError as http_err: print(f"HTTP error occurred: {http_err} - {response.text}") except Exception as err: print(f"Other error occurred: {err}") ``` ### Pricing Meta: Llama Guard 4 12B API costs $0.180000 per million tokens. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) ### Use Cases - AI chatbots and virtual assistants - Code generation and developer tools - Content writing and copywriting automation - Data analysis, summarization, and extraction [Learn more about Meta: Llama Guard 4 12B](https://modelslab-frontend-v2-927501783998.us-east4.run.app/meta-llama-guard-4-12b) [Browse LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [More from Meta](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) Meta: Llama Guard 4 12B FAQ --- ### What is Meta: Llama Guard 4 12B? 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... ### How do I use the Meta: Llama Guard 4 12B API? You can integrate Meta: Llama Guard 4 12B into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "meta-llama-llama-guard-4-12b" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Meta: Llama Guard 4 12B cost? Meta: Llama Guard 4 12B costs $0.180000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the Meta: Llama Guard 4 12B model ID? The model ID for Meta: Llama Guard 4 12B is "meta-llama-llama-guard-4-12b". Use this ID in your API requests to specify this model. ### Does Meta: Llama Guard 4 12B have a free tier? Yes, ModelsLab offers a free tier that lets you try Meta: Llama Guard 4 12B and other AI models. Sign up to get free API credits and start building immediately. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-07-12*