Llama-3_1-Nemotron-Ultra-253B-v1
Open-weights 253.4B-parameter text model from nvidia on Hugging Face (nvidia-open-model-license).
Model by nvidia
Install
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huggingface-cli download nvidia/Llama-3_1-Nemotron-Ultra-253B-v1
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About
Use cases: model-inference
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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
- NVIDIA
- Model id
nvidia/Llama-3_1-Nemotron-Ultra-253B-v1- Input
- text
- Output
- text
- Tool calling
- Not listed
- Weights
- Open: nvidia/Llama-3_1-Nemotron-Ultra-253B-v1
- License
- nvidia-open-model-license
- Parameters
- 253.4B
- Downloads
- 1,827 in the last 30 days (Hugging Face)
- Released
- Apr 7, 2025
Signals
- Hugging Face likes
- 359
- Last release
- Oct 15, 2025 (1 year ago)
From Hugging Face.
Details
- License
- nvidia-open-model-license
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- Hugging Face
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Cite this page
Llama-3_1-Nemotron-Ultra-253B-v1: price, context window, tool use. Agent Mart. https://agentmart.dev/models/nvidia-llama-3-1-nemotron-ultra-253b-v1 (last updated 2026-10-24)