Nemotron 3.5 Lightning

NVIDIA🇺🇸 USMajor lab· Aug 1, 2026

TextReasoningopen weightsAPI

Base checkpoint of the Nemotron 3.5 Lightning family, without SFT, RL or distillation. It is a hybrid MoE model with 30B total and 3B active parameters, intended as a starting point for custom post-trained models.

Summary of the model card

Context: 1M tokens
Price / 1M tok: free in · free out
License: other
Modalities: text → text

7 variants

Standard		1M	$0.08/$0.2	OR
Free		1M	free/free	OR
30B A3B Base BF16	30B-A3B			HF
30B A3B NVFP4 Dspark	30B-A3B			HF
30B A3B NVFP4 Dflash	30B-A3B			HF
30B A3B NVFP4	30B-A3B			HF
30B A3B BF16	30B-A3B			HF

Sources

HuggingFace OpenRouter Paper

Deutsch

Basis-Checkpoint der Nemotron 3.5 Lightning Familie ohne SFT, RL oder Distillation. Hybride MoE-Architektur mit 30B Parametern gesamt und 3B aktiv, gedacht als Startpunkt für eigenes Post-Training.

Benchmarks

Benchmark	Domain	Value	Evidence
RULERvendor number	long-context	82.36 % correct	66
HumanEvalvendor number	coding	66.46 % pass@1	57
MMLUvendor number	knowledge	81.07 % correct	39

Vendor-reported numbers are marked and count with factor 0.7 in rankings. The evidence score says how much a benchmark still tells you today.

Provenance

Detected: Sep 27, 2026
First source: openrouter
Description: Summary of the model card
Editorially reviewed: —