Model

Llama-3_1-Nemotron-Ultra-253B-v1

llama-3-1-nemotron-ultra-253b-v1

Record

Family
llama
Architecture
dense
Parameters
253
Active parameters
253
HF downloads / 30d
1,676

Hugging Face model card

Identity

https://huggingface.co/nvidia/Llama-3_1-Nemotron-Ultra-253B-v1
Repository
nvidia/Llama-3_1-Nemotron-Ultra-253B-v1
Status
known
Link type
Exact Hub repository

Public Hugging Face repository confirmed by the Hub API.

Leaderboard scores

Scraped public quality scores joined to this model by its Hugging Face repository. They describe the listed variant, not any specific local quantization, and are never speed measurements.

BenchmarkCategoryScoreRankScored variantConfidence
mathmath89.2929Llama-3_1-Nemotron-Ultra-253B-v1low
mathmath89.2930Llama-3_1-Nemotron-Ultra-253B-v1-GGUFlow

Remaining fields

Identity, launch, related records, and measured speed are shown above. This is the rest of the normalized record.

active params
253
architecture
dense
family
llama
id
llama-3-1-nemotron-ultra-253b-v1
name
Llama-3_1-Nemotron-Ultra-253B-v1
params
253
schema version
local-ai-registry/v1
url
huggingface.co/nvidia/Llama-3_1-Nemotron-Ultra-253B-v1

downloads

all time
615,861
captured at
2026-09-01T03:00:47Z
last 30d
1,676
Provenance & metadata (1)
source huggingface-api
Provenance & metadata (2)

facts

active params · provenance · captured at
2026-09-01T03:00:47Z
active params · reason all-parameters-active-in-dense-model
active params · state known
architecture · provenance · captured at
2026-09-01T03:00:47Z
architecture · reason resolved-huggingface-config
architecture · state known
params · provenance · captured at
2026-09-01T03:00:47Z
params · reason immutable-safetensors-parameter-metadata
params · state known

provenance

captured at
2026-09-01T03:00:47Z