Model

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

nvidia-nemotron-3-ultra-550b-a55b-bf16

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Record

Family: nvidia
Architecture: moe
Parameters: 561
Active parameters: 55
HF downloads / 30d: 296,499

Hugging Face model card

Identity

https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

Repository: nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
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.

Benchmark	Category	Score	Rank	Scored variant	Confidence
browsecomp	agentic	44.4	56	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
browsecomp	agentic	44.4	57	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
browsecomp	agentic	44.4	58	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
browsecomp	agentic	44.4	59	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
terminal-bench-2.1	agentic-coding	56.4	14	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
terminal-bench-2.1	agentic-coding	56.4	15	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
terminal-bench-2.1	agentic-coding	56.4	16	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
terminal-bench-2.1	agentic-coding	56.4	17	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
livecodebench	coding	89	1	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
livecodebench	coding	89	2	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
livecodebench	coding	89	3	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
scicode	coding	44.6	10	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
scicode	coding	44.6	11	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
scicode	coding	44.6	12	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
scicode	coding	44.6	13	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
ifbench	instruction-following	81.7	1	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
ifbench	instruction-following	81.7	2	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
ifbench	instruction-following	81.7	3	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
ifbench	instruction-following	81.7	4	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
hle	knowledge	37.4	35	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
hle	knowledge	37.4	36	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
hle	knowledge	37.4	37	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
hle	knowledge	26.7	47	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
hle	knowledge	26.7	48	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
hle	knowledge	26.7	49	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
hle	knowledge	26.7	50	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
mmlu-pro	knowledge	86.8	4	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
mmlu-pro	knowledge	86.8	5	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
mmlu-pro	knowledge	86.8	6	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
mmlu-pro	knowledge	83	126	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
mmlu-pro	knowledge	83	127	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
mmlu-pro	knowledge	83	128	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
longbench	long-context	61.9	1	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
longbench	long-context	61.9	2	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
longbench	long-context	61.9	3	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
ruler	long-context	94.7	25	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
ruler	long-context	94.7	26	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
ruler	long-context	94.7	27	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
ruler	long-context	94.7	28	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
gpqa	reasoning	87	2	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
gpqa	reasoning	87	3	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
gpqa	reasoning	87	4	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
gpqa	reasoning	87	5	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
swebench-verified	swe	71.9	18	NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF	medium
swebench-verified	swe	71.9	19	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium
swebench-verified	swe	70.7	26	NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16	medium
swebench-verified	swe	70.7	27	NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4	medium

Remaining fields

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

active params: 55
architecture: moe
family: nvidia
id: nvidia-nemotron-3-ultra-550b-a55b-bf16
name: NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
params: 561
schema version: local-ai-registry/v1
url: huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 ↗

downloads

all time: 892,933
captured at: 2026-08-31T13:13:53Z
last 30d: 296,499

Provenance & metadata (1)

source huggingface-api

Provenance & metadata (2)

facts

active params · provenance · captured at: 2026-08-31T23:43:51Z

active params · reason explicit-aNb-model-name

active params · state known

architecture · provenance · captured at: 2026-09-01T01:03:42Z

architecture · reason resolved-huggingface-config

architecture · state known

params · provenance · captured at: 2026-08-31T13:13:53Z

params · reason safetensors-parameter-metadata

params · state known

provenance

captured at: 2026-08-31T13:13:53Z

sources

captured at	kind	url
2026-08-31T13:13:53Z	huggingface-api	huggingface.co/api/models/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 ↗
2026-09-01T00:18:17Z	huggingface-api	huggingface.co/api/models/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 ↗