DeepSeek-V4-Flash-0731 vs NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

Specs, VRAM requirements and download trends — updated 10 November 2026.

deepseek-ai · A · Open weights
Params
304.2 B
Context
1,048,576
30d
2.7 M
mit · commercial OK
nvidia · B · Open weights
Params
560.5 B
Context
262,144
30d
1.1 M

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V4-Flash-0731 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Deployment Open weights · also via API Open weights · also via API
Parameters 304.2 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 2,697,621 1,067,799
Downloads all time 13.2 M 2.8 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-07-31 2026-06-03
API input price / 1M tokens $0.043 $0.60
API output price / 1M tokens $0.30 $2.40
Est. cost per 1M input + 1M output tokens $0.34 $3.00
Cached input / 1M tokens $0.035 $0.12
AA Intelligence Index — 11.8
AA Coding Index 69.1 49.3
AA Agentic Index 41 20.1
Max output tokens 943,718 182,520
API providers 24 3
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

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

DeepSeek-V4-Flash-0731 $0.34
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 $3.00

DeepSeek-V4-Flash-0731 is 8.7× cheaper at list price.

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

4.7 M213 K
DeepSeek-V4-Flash-0731 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
DeepSeek-V4-Flash-0731 · fp16 @ 1024K ctx 6,024.3 GB / 24 GB
❌ Won’t fit

Adjacent comparisons