DeepSeek-V4-Flash-NVFP4 vs NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

Specs, VRAM requirements and download trends — updated 6 August 2026.

nvidia · A
Params
166.7 B
Context
1,048,576
30d
203 K
mit · commercial OK
nvidia · B
Params
560.5 B
Context
262,144
30d
213 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V4-Flash-NVFP4 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Parameters 166.7 B 560.5 B
Architecture DeepseekV4ForCausalLM NemotronHForCausalLM
Context length 1,048,576 262,144
Licence mit other
Commercial use Allowed Unknown
Languages 12
Downloads 30d 202,991 213,329
Downloads all time 1.9 M 940 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-05-18 2026-06-03

Download trend

Daily snapshots, last 56 days (28 Jul – 21 Sep)

1.3 M203 K
DeepSeek-V4-Flash-NVFP4 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

DeepSeek-V4-Flash-NVFP4 · fp16 @ 1024K ctx 3,386.8 GB / 24 GB
❌ Won’t fit
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 · fp16 @ 256K ctx 3,924.2 GB / 24 GB
❌ Won’t fit

Adjacent comparisons