nvidia / text-generation updated 11 months ago

DeepSeek-R1-0528-NVFP4-v2

The NVIDIA DeepSeek-R1-0528-FP4 v2 model is the quantized version of the DeepSeek AI's DeepSeek R1 0528 model, which is an auto-regressive language model that uses an optimized transformer architecture. For more information, please check here. The NVIDIA DeepSeek R1 FP4 model is quantized with TensorRT Model Optimizer.

Params
393.6 B
Context
163,840
Downloads 30d
325 K
Likes
23
Commercial use: allowed mit Not gated SAFETENSORS View on Hugging Face ↗

Download history

daily snapshots · 10 days
384 K321 K
Jul 28Jul 31Aug 3Aug 6

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 u8 413.3 GB 514.2 GB ❌ Won’t fit
model.safetensors (bf16, full) bf16 + 160K ctx 413.3 GB 1,636.1 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/deepseek-r1-0528-nvfp4-v2
{
  "hf_id": "nvidia/DeepSeek-R1-0528-NVFP4-v2",
  "params_b": 393.63,
  "context_length": 163840,
  "license": { "id": "mit", "commercial": "yes" },
  "downloads_30d": 324770,
  "vram_estimates": [
    { "quant": "u8", "gb": 514.2 }
  ],
  "updated_at": "2026-07-28T18:05:56Z"
}
est. VRAM —on RTX 4090 · 24 GBJSON API →

Specifications

Architecture
DeepseekV3ForCausalLM
Parameters
393.6 B
Tensor type
U8
Context length
163,840
Vocabulary
129,280
Layers / heads
61 / 128
Licence
mit
First seen on the Hub
2025-07-21
Base model
DeepSeek-R1-0528
Training datasets
undisclosed
Added to our catalog
2026-07-28

Family

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