NVIDIA-Nemotron-3-Super-120B-A12B-BF16 vs Step-3.5-Flash

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

nvidia · A · Open weights
Params
123.6 B
Context
262,144
30d
978 K
stepfun-ai · B · Open weights
Params
199.4 B
Context
262,144
30d
264 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification NVIDIA-Nemotron-3-Super-120B-A12B-BF16 Step-3.5-Flash
Deployment Open weights Open weights · also via API
Parameters 123.6 B 199.4 B
Architecture NemotronHForCausalLM Step3p5ForCausalLM
Context length 262,144 262,144
Licence other apache-2.0
Commercial use Unknown Allowed
Languages 7 —
Downloads 30d 978,022 264,309
Downloads all time 7.1 M 1.9 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-03-10 2026-02-01
API input price / 1M tokens not on OpenRouter $0.10
API output price / 1M tokens not on OpenRouter $0.30
Est. cost per 1M input + 1M output tokens not on OpenRouter $0.40
Cached input / 1M tokens not on OpenRouter —
AA Intelligence Index not on OpenRouter 17
AA Coding Index not on OpenRouter —
AA Agentic Index not on OpenRouter —
Max output tokens not on OpenRouter 65,536
API providers not on OpenRouter 1
Tool calling not on OpenRouter Yes
Reasoning mode not on OpenRouter Yes

API cost

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

Step-3.5-Flash $0.40

Download trend

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

1.3 M195 K
NVIDIA-Nemotron-3-Super-120B-A12B-BF16 Step-3.5-Flash

VRAM side by side

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

NVIDIA-Nemotron-3-Super-120B-A12B-BF16 · fp16 @ 256K ctx 865.8 GB / 24 GB
❌ Won’t fit
Step-3.5-Flash · fp16 @ 256K ctx 1,396.2 GB / 24 GB
❌ Won’t fit

Adjacent comparisons