Model overview
> *Looking for the post-trained model? See NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16 for the full-precision release, or NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4 for optimized inference.* **NVIDIA-Nemotron-3.5-Lightning-30B-A3B-Base-BF16** is a large language model (LLM) trained by NVIDIA. This is the base (pre-trained) checkpoint of the Nemotron 3.5 Lightning family — no supervised fine-tuning, reinforcement learning, or distillation has been applied — making it the natural starting point for developers and researchers building their own post-trained models. The model employs a hybrid **Mixture-of-Experts (MoE)** architecture, utilizing interleaved Mamba-2 and MoE layers, along with select Attention layers. The model incorporates **Multi-Token Prediction (MTP)** layers — trained via a dedicated continued pre-training phase — for richer training signals and native speculative decoding, and it is pre-trained using an **NVFP4** recipe to maximize compute efficiency. The model has **3B active parameters** and **30B parameters in total**.
Key features
特点摘要待依据来源补齐，不凭模型名称推断能力。
Limitations & considerations
Sources are insufficient to establish specific limitations. Verify task performance, latency, data policies, licensing and version lifecycle.
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| No verified prices yet. Check the source channel. | ||||
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：other。模型介绍与第三方评测均以原来源的具体版本和方法为准。