Model garden Router · on request Dedicated · available

Llama 3.1 405B Instruct

Runs as your own dedicated GPU deployment, ready to launch from the wizard. Data stays in Europe.

Llama 3.1 405B Instruct is an open-source language model from Meta with 405B parameters, hosted on EU GPUs via an OpenAI-compatible API.

meta-llama/Llama-3.1-405B-Instruct On request
text->text · meta-llama · sovereign EU
Runs on EU infrastructure operated by European companies; US marketplace capacity is never part of this chain. Full chain
405B
Parameters
—
Context window
975GB
Minimum VRAM
POST /api/v1/chat/completions On request

Specifications

Parameters 405B
Minimum VRAM 975 GB
Architecture LlamaForCausalLM (vLLM)
License open-weights
Modality text->text
Released July 2024
Publisher meta-llama ↗

Pricing

Shared router · per token
On request
Not available on the shared router. Pricing on request as a dedicated GPU deployment.
Dedicated GPU · per hour
from €54,00 per hour
Your own vLLM instance on European cloud (975 GB VRAM), billed hourly.

Shared EU router, pay-per-token, scale-to-zero. Dedicated GPU deployments are billed hourly, see pricing.

Bench index

Bench is our quality index for every model, 0 to 100. It rests on public measurements (Epoch AI with about 40 benchmarks, LiveBench, LMArena and more) and is refreshed every morning. Where nobody measures, it shows an estimate with a range.

48.4 / 100 · Measured

Measured by Epoch AI across 15 benchmarks, with a range.

Range 42.3 to 50.9 · Rank 167 of 274 at Epoch AI

Sources: Epoch AI ↗ · LiveBench ↗ · LMArena ↗ · Refreshed daily, last on 14-10-2026

LiveBench · 47.5
Reasoning 40.6
Coding 28.8
Mathematics 40.5
Data analysis 55.9
Language 43.6
Instruction following 75.9
Every benchmark (15)
ARC AI2 93.7
HellaSwag 85.6
TriviaQA 82.7
MMLU 79.3
Winogrande 78.4
BBH 77.2
PIQA 71.8
MATH level 5 49.8
DTBench 35.6
GPQA diamond 34.6
WeirdML 21.4
OTIS Mock AIME 2024-2025 9.6
SimpleBench 7.6
Cybench 7.5
The Agent Company 7.4
LiveBench · All tasks
Reasoning
web of lies v3 42.0
zebra puzzle 33.8
spatial 46.0
Coding
LCB generation 33.3
coding completion 24.3
Mathematics
AMPS Hard 49.0
math comp 40.9
olympiad 31.6
Data analysis
cta 60.0
tablejoin 37.5
tablereformat 70.0
Language
connections 31.0
plot unscrambling 41.8
typos 58.0
Instruction following
paraphrase 76.8
simplify 82.3
story generation 74.2
summarize 70.3

Call it now

Drop-in replacement for OpenAI: change only the base URL and API key. The Anthropic format (/v1/messages) is supported too.

curl https://hostyourai.com/api/v1/chat/completions \
  -H "Authorization: Bearer hyai-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "meta-llama/Llama-3.1-405B-Instruct",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Frequently asked questions

Can I run Llama 3.1 405B Instruct in the EU?

Yes. HostYourAI runs Llama 3.1 405B Instruct on GPUs in European datacenters via vLLM. Prompts and outputs never leave the EU and there is no US cloud provider in the chain.

Is hosting Llama 3.1 405B Instruct GDPR-compliant?

Yes. All processing happens inside the EU, a Data Processing Agreement (DPA) is available and the subprocessor list is public. Open-source weights also mean: no training on your data.

How much does Llama 3.1 405B Instruct cost?

Llama 3.1 405B Instruct is available on request: through the shared EU router after a quick chat, or as your own dedicated GPU deployment billed per hour. Tell us your use case and we will set it up for you.

Is the API OpenAI-compatible?

Yes. You use the standard OpenAI SDKs with a custom base URL (https://hostyourai.com/api/v1). The Anthropic Messages API is supported as a drop-in as well.

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