NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4
Support summary
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4 is a checkpoint published by NVIDIA, built on the NemotronHForCausalLM architecture. vLLM 0.28.0, the newest indexed vLLM release, documents support. Official recipes or cookbooks cover SGLang, without pinning a stable release. TensorRT-LLM lists its architecture, but not this exact checkpoint.
- Documented hardware
- NVIDIA / CUDA
- Documented quantization
- NVFP4
- Documented features
- Prefix caching, Reasoning parsers, Speculative decoding, and Tool calling
- Configured context
- 1,048,576 tokens
- License
- openmdw-1.1
Hardware, quantization and features count only statements about this checkpoint; engine-wide capabilities are listed with each release.
Hugging Face model card
- Publisher
- NVIDIA
- Task
- text generation
- License
- openmdw-1.1
- Library
- transformers
- Architecture
- NemotronHForCausalLM
- Weight tensor elements
- 17.8B
- Tensor types
- BF16, F8_E4M3, F32, U8
- Quantization
- modelopt
- Configured context
- 1,048,576 tokens
- Languages
- en, es, fr, de, it, ja
- Weight access
- Public
- Repository created
- 2026-08-04
Model notes and sources
- nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4 · publisher model card
- nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4 · Hugging Face metadata
- nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-NVFP4 · publisher configuration
- vllm · models/nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16.yaml
- sglang · docs/src/snippets/configs/nvidia/nemotron-3.5-lightning.jsx
- sglang · docs/cookbook/autoregressive/NVIDIA/Nemotron3.5-Lightning.mdx
- Reviewed
Engine support
3 engines
| Engine | Release | Checkpoint support | Evidence scope | Last known supported |
|---|---|---|---|---|
| vLLM | 0.28.0Newest indexed | Checkpoint evidenceSource 1: vllm · models/nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16.yamlReviewed | 0.28.0This release | |
Features, dependencies and evidence for vLLM 0.28.0 | ||||
| SGLang | Version not pinnedRecipe / cookbook | Documented recipeSource 1: sglang · docs/cookbook/autoregressive/NVIDIA/Nemotron3.5-Lightning.mdxSource 2: sglang · docs/src/snippets/_deployment.jsxSource 3: sglang · docs/src/snippets/configs/nvidia/nemotron-3.5-lightning.jsxSource 4: sglang · docs/src/snippets/configs/nvidia/nemotron-3.5-lightning-benchmarks.jsxSource 5: sglang · docs/src/snippets/_playground.jsxReviewed | No supported release indexed | |
Features, dependencies and evidence for SGLang 0.5.19 | ||||
| TensorRT-LLM | 1.2.1Newest indexed | Architecture listed; exact checkpoint unknown | No supported release indexed | |
Features, dependencies and evidence for TensorRT-LLM 1.2.1 | ||||