Using Llama Guard 4 12B on Replicate API
Implementation guide · Llama Guard · AI at Meta
ServerlessOpen Weights
Replicate API exposes Llama Guard 4 12B through model ID meta/llama-guard-4-12b. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-07-09. Next refresh: weekly.
Quick Start
- 1
- 2Use the Replicate API SDK or REST API to call
meta/llama-guard-4-12b— see the documentation for request format. - 3
Code Examples
Install
pip install replicateAPI key
REPLICATE_API_TOKENModel ID
meta/llama-guard-4-12bReplicate uses "owner/model-name" format (e.g. "meta/meta-llama-3-8b-instruct") for the latest version, or "owner/model-name:version-sha" to pin to a specific version. The REST endpoint splits owner and model-name into the path: /v1/models/{owner}/{model-name}/predictions.
import replicate
# reads REPLICATE_API_TOKEN from env
# meta/llama-guard-4-12b format: "owner/model-name" (latest version) or "owner/model-name:version-hash"
output = replicate.run(
"meta/llama-guard-4-12b",
input={"prompt": "Hello"}
)
# Output is a list or generator depending on the model
print("".join(output))Pricing on Replicate API
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.20 |
| Output tokens | $0.20 |
Capabilities
Structured Outputs
About Llama Guard 4 12B
Meta: Llama Guard 4 12B available via OpenRouter. Pricing: $0.18/1M input, $0.18/1M output.
Model Specs
Released2025-04-05
Parameters12B
Context164k
ArchitectureDecoder Only
Knowledge cutoff2024-08