NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 vs GLM-5

Specs, VRAM requirements and download trends — updated 24 October 2026.

nvidia · A · Open weights
Params
560.5 B
Context
262,144
30d
1.1 M
zai-org · B · Open weights
Params
753.9 B
Context
202,752
30d
1.0 M
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 GLM-5
Deployment Open weights · also via API Open weights · also via API
Parameters 560.5 B 753.9 B
Architecture NemotronHForCausalLM GlmMoeDsaForCausalLM
Context length 262,144 202,752
Licence other mit
Commercial use Unknown Allowed
Languages 12 2
Downloads 30d 1,067,855 1,020,783
Downloads all time 2.1 M 2.4 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-06-03 2026-02-11
API input price / 1M tokens $0.60 $1.00
API output price / 1M tokens $2.40 $3.20
Est. cost per 1M input + 1M output tokens $3.00 $4.20
Cached input / 1M tokens $0.12 $0.20
AA Intelligence Index 22.9 27.9
AA Coding Index 49.3 —
AA Agentic Index 20.1 —
Max output tokens 182,520 131,072
API providers 3 8
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 $3.00
GLM-5 $4.20

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 is 1.4× cheaper at list price.

Download trend

Daily snapshots, last 89 days (28 Jul – 24 Oct)

1.1 M157 K
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 GLM-5 A overtook B on 6 Oct

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 · fp16 @ 198K ctx 4,457.7 GB / 24 GB
❌ Won’t fit

Adjacent comparisons