LLM
How to deploy Llama-3.1-405B-Instruct on a GPU cloud
A 406B language model for chat and instruction-following. Full specs, license and use cases.
Llama-3.1-405B-Instruct size and hardware requirements
405.9B
Total parameters
Dense (no MoE)
Architecture
BF16
Published precision
907.2 GB
Min VRAM (native)
| Precision | Weight size on disk | Required VRAM | Cheapest live fit | GPUs needed | Est. $/hr (full fit) |
|---|---|---|---|---|---|
| BF16 | 756.0 GB | 907.2 GB | No capable live offer found | – | – |
| FP8 (quantized) | 378.0 GB | 453.6 GB | RTX PRO 6000 | 5 | $8.20/hr |
| INT4 (quantized) | 189.0 GB | 226.8 GB | RTX A6000 | 5 | $1.65/hr |
How to run Llama-3.1-405B-Instruct
Run Llama-3.1-405B-Instruct with vLLM
Generic example, not from the model's own docs: adjust flags (quantization, context length, parallelism) for your setup.
vllm serve meta-llama/Llama-3.1-405B-Instruct --tensor-parallel-size 1Run Llama-3.1-405B-Instruct with Ollama
Verified against Ollama's own library listing.
ollama run llama3.1:405bDeploy Llama-3.1-405B-Instruct on Aquanode
Aquanode has no one-click deploy template for Llama-3.1-405B-Instruct; you install the inference engine yourself with the commands below. Aquanode sells GPU pods billed per second, not a hosted inference API.
- Launch a bare GPU pod sized to the requirement above (907 GB VRAM or more).
- Open a terminal on the pod, or save one of the commands above as a startup script so it runs automatically the first time the pod boots.
- Run the command and connect to the resulting endpoint.
Launch a GPU pod