RedHatAI / text-generation Open weights updated 18 hours ago

NVIDIA-Nemotron-3.5-Lightning-30B-A3B-FP8

- Model Architecture: NemotronHForCausalLM - Input: Text - Output: Text - Model Optimizations: - Weight quantization: FP8 - Activation quantization: FP8 - Release Date: 2026-08-13 - Version: 1.0 - Model Developers: RedHatAI

Params
31.6 B
Context
262,144
Downloads 30d
820 K
Likes
14
Licence: unknown Not gated SAFETENSORS View on Hugging Face ↗

Download history

daily snapshots · 55 days
▲ 137 K in the last 30 days (14.3%)
970 K227 K
Sep 17Oct 5Oct 23Nov 10

Can you run it?

Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.

FileQuantSizeEst. VRAMVerdict on RTX 4090 · 24 GB
model.safetensors f8_e4m3 32.3 GB 40.8 GB ❌ Won’t fit
model.safetensors (bf16, full) bf16 + 256K ctx 32.3 GB 187.6 GB ❌ Won’t fit
Estimate: file size × 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark — how we calculate this.

Run it

copy-paste, exact tags checked against the Hub
~ · curl · api/v1
$ curl -s https://aimodelscomparison.com/api/v1/models/nvidia-nemotron-3-5-lightning-30b-a3b-fp8
{
  "hf_id": "RedHatAI/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-FP8",
  "params_b": 31.58,
  "context_length": 262144,
  "license": { "id": "", "commercial": "unknown" },
  "downloads_30d": 820287,
  "vram_estimates": [
    { "quant": "f8_e4m3", "gb": 40.8 }
  ],
  "updated_at": "2026-11-10T01:00:16Z"
}
est. VRAM —on RTX 4090 · 24 GBJSON API →

Specifications

Architecture
NemotronHForCausalLM
Parameters
31.6 B
Tensor type
F8_E4M3
Context length
262,144
Vocabulary
131,072
First seen on the Hub
2026-08-13
Base model
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16
Training datasets
undisclosed
Added to our catalog
2026-09-17

Family

Base model and the most-downloaded derivatives in the catalog.

Compare with any text-generation model