How to Use Llama 3.1 405B API GDPR-Compliant in the EU

What Is Llama 3.1 405B?

Llama 3.1 405B is Meta's largest open-weight model and one of the most powerful freely available language models in the world. With 405 billion parameters, it achieves performance comparable to proprietary models. As an open-weight model, Llama 3.1 405B offers enterprises unique transparency — the model weights are publicly available and auditable.

Key Capabilities

• Open-Weight Transparency — The model weights are publicly available, which can be a decisive advantage for companies in regulated industries when it comes to audits and compliance reviews.
• Strong All-Round Performance — Llama 3.1 405B delivers compelling results in text generation, analysis, summarization, and reasoning — comparable to leading proprietary models.
• Multilingual Abilities — The model was trained on a broad multilingual dataset and offers solid performance in German and other European languages.
• Code Generation — Llama 3.1 405B produces high-quality code in popular programming languages and supports developers with complex tasks.
• Cost Efficiency — As an open-weight model, Llama 3.1 405B often provides a better price-to-performance ratio than comparable proprietary alternatives.

Ideal Use Cases

Data Analysis and Business Intelligence

Llama 3.1 405B is exceptionally well-suited for analyzing large volumes of data, generating reports, and extracting insights from unstructured text. Companies use the model for automated market analysis and competitive intelligence.

Content Creation at Scale

For organizations that regularly produce large volumes of content — product descriptions, marketing copy, technical documentation — Llama 3.1 405B offers a cost-effective solution with high quality.

Research and Development

Scientific institutions and R&D departments value the transparency of the open-weight approach. The model's auditability is particularly valuable for reproducible research and regulatory requirements.

Internal Automation

From email summarization to meeting notes to data extraction — Llama 3.1 405B reliably and cost-effectively automates numerous internal processes.

Using Llama 3.1 405B GDPR-Compliant in the EU

The Challenge

Although Llama 3.1 405B is an open-weight model, running a model of this size requires substantial GPU infrastructure. Many hosting providers operate their servers in the US, which results in a third-country data transfer under the GDPR. Even with self-hosting, companies need specialized hardware and expertise.

The Solution: EU Gateway via Layermod

Layermod hosts Llama 3.1 405B on powerful GPU infrastructure in EU data centers in Frankfurt and Berlin. You benefit from the full capability of the model without having to operate hardware yourself — and without data leaving the European Economic Area.

Integration uses an OpenAI-compatible API interface. Learn more about the migration process in our migration guide.

Quick Start: Using Llama 3.1 405B via Layermod

import OpenAI from "openai"
 
const client = new OpenAI({
  baseURL: "https://api.layermod.com/v1",
  apiKey: process.env.LAYERMOD_KEY,
})
 
const response = await client.chat.completions.create({
  model: "llama-3.1-405b",
  messages: [{ role: "user", content: "Hello!" }],
})

After signing up, you receive your API key in the Console and can get started immediately.

Pricing

Llama 3.1 405B is available through Layermod on a credit-based pricing model. You only pay for tokens actually consumed — no base fee or minimum commitment. Detailed pricing information is available on our pricing page.

Conclusion

Llama 3.1 405B from Meta combines top-tier model performance with the transparency of an open-weight approach. Through Layermod, you can use this model fully GDPR-compliant — on EU infrastructure, without managing your own hardware, and through a standardized API interface.

Compare Llama 3.1 405B with other models in our AI model comparison 2026 or learn more about GDPR-compliant AI usage. Browse all available models in our model overview.

Try Llama 3.1 405B now via Layermod — open-weight power, privacy-compliant from the EU.