CybersecurityText

Llama-Primus

Trend Micro cybersecurity models based on Llama 3.1 8B, fine-tuned on a corpus of security texts. A reasoning version is available.

Developer
Trend Micro, Japan
First release
Feb 2025
Latest release
Feb 2025
Sizes
8B
License
Commercial use with conditionsMIT for the changes, but the Llama 3.1 base license also applies
Russian
Not supported
Running
On your own serverNeeds a GPU
Industries
Security
Deploy on your server Hugging Face

What it does

  • Answering questions about threats and vulnerabilities
  • Analyzing cyberattack reports
  • A base for fine-tuning for SOC tasks

Where it is used

Security teamsSecurity product development

Hardware requirements

LaptopLaptop or regular PC, up to 8 GB of VRAM — smaller versions
fits
1 GPUOne GPU with 16–80 GB — mid-size versions
fits
ClusterServer with several GPUs — flagship versions
no versions

Versions

  1. Llama-Primus Base, Merged и Reasoning

How to run it

On your own serverWeights are downloaded from Hugging Face and served with vLLM (load and API) or llama.cpp (modest hardware). The model then runs in a closed network with no per-request fees.Hugging Face
How much hardware you needCalculate the VRAM for the model size, context length and number of concurrent requests.Open the hardware calculator

I can set this up end to end: pick the model size, deploy it on your server and connect it to your systems.

Frequently asked questions

Can Llama-Primus be used in a commercial project?

With conditions. License: MIT for the changes, but the Llama 3.1 base license also applies. Restrictions vary — region, company revenue, attribution requirements. Have a lawyer check the terms before a commercial launch.

What hardware does Llama-Primus need?

At minimum: Laptop or regular PC, up to 8 GB of VRAM — smaller versions. Without a GPU the model is not practical. You can calculate the exact VRAM for your model size and context in the hardware calculator.

Does Llama-Primus support Russian?

No. The model card lists its languages and Russian is not among them.

Where can I download Llama-Primus and what does it cost?

The Llama-Primus weights are open and free to download. You only pay for the hardware it runs on and for the setup. Source links are at the bottom of this page.

How I deploy it for clients

  1. SelectionI pick the model size for your task and hardware and test it on your examples.
  2. DeploymentI deploy it on your server or in a closed network and provide an API.
  3. Fine-tuningI fine-tune it on your data (LoRA) or connect a knowledge base — whichever is cheaper for the task.
  4. IntegrationI connect it to your CRM, ERP, bot, website or team chat and set up monitoring.

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Details

Source: huggingface.co/trendmicro-ailab/Llama-Primus-Reasoning. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.