GLM-5.2-NVFP4 vs NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

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

nvidia · A
Params
381.0 B
Context
1,048,576
30d
1.8 M
mit · commercial OK
nvidia · B
Params
560.5 B
Context
262,144
30d
469 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification GLM-5.2-NVFP4 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Parameters 381.0 B 560.5 B
Architecture GlmMoeDsaForCausalLM NemotronHForCausalLM
Context length 1,048,576 262,144
Licence mit other
Commercial use Allowed Unknown
Languages 12
Downloads 30d 1,804,344 468,923
Downloads all time 2.2 M 633 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-06-22 2026-06-03

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

1.8 M339 K
GLM-5.2-NVFP4 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

VRAM side by side

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

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 · fp16 @ 256K ctx 3,924.2 GB / 24 GB
❌ Won’t fit
GLM-5.2-NVFP4 · fp16 @ 1024K ctx 7,826.8 GB / 24 GB
❌ Won’t fit

Adjacent comparisons