Llama-3.1-405B
Open-weights 405.85B-parameter text model from meta-llama on Hugging Face (llama3.1).
Model by meta-llama
Chalk Labs
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huggingface-cli download meta-llama/Llama-3.1-405B
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About
Use cases: model-inference
Reviews
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Price and limits
Not offered through OpenRouter. Download the weights and run it yourself, or use a host that serves it.
- Provider
- Meta
- Model id
meta-llama/Llama-3.1-405B- Input
- text
- Output
- text
- Tool calling
- Not listed
- Weights
- Open: meta-llama/Llama-3.1-405B
- License
- llama3.1
- Parameters
- 405.85B
- Downloads
- 34,941 in the last 30 days (Hugging Face)
- Released
- Jul 16, 2024
Signals
- Hugging Face likes
- 992
- Last release
- Sep 25, 2024 (2 years ago)
From Hugging Face.
Details
- License
- llama3.1
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- Hugging Face
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Open-weights 3.21B-parameter text model from meta-llama on Hugging Face (llama3.2).
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Cite this page
Llama-3.1-405B: price, context window, tool use. Agent Mart. https://agentmart.dev/models/meta-llama-llama-3-1-405b (last updated 2026-10-24)