DeepSeek·DeepSeek V4·DeepseekV4ForCausalLM

DeepSeek V4 Flash 0731 — Hardware Requirements & GPU Compatibility

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DeepSeek V4 Flash 0731 is a 304.2B-parameter open language model from DeepSeek in the DeepSeek V4 family. It supports a context window of up to 1,048,576 tokens. At Q4_K_M it needs about 182.83 GB of VRAM — see which GPUs and Macs can run it below.

4.6M downloads 3.9K likes 7.3K quant downloads1049K context

Specifications

Publisher
DeepSeek
Family
DeepSeek V4
Parameters
304.2B
Architecture
DeepseekV4ForCausalLM
Context Length
1,048,576 tokens
Vocabulary Size
129,280
Release Date
2026-07-31
License
MIT

Get Started

How Much VRAM Does DeepSeek V4 Flash 0731 Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_Kest.3.40129.6 GB
Q3_K_Mest.3.90148.6 GB
Q4_K_Mest.4.80182.8 GB
Q5_K_Mest.5.70217.1 GB
Q6_Kest.6.60251.3 GB
Q8_0est.8.00304.5 GB
BF16est.16.00608.7 GB

est.= calculated VRAM estimate; no published GGUF file found for that quantization yet. Other rows are verified against real community uploads.

Which GPUs Can Run DeepSeek V4 Flash 0731?

Q4_K_M · 182.8 GB

DeepSeek V4 Flash 0731 (Q4_K_M) requires 182.8 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 238+ GB is recommended. Using the full 1049K context window can add up to 11.5 GB, bringing total usage to 194.3 GB. No single GPU has enough memory — multi-GPU or cluster setups are needed.

Which Devices Can Run DeepSeek V4 Flash 0731?

Q4_K_M · 182.8 GB

6 devices with unified memory can run DeepSeek V4 Flash 0731, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, Mac Pro M2 Ultra (192 GB).

Where to Download DeepSeek V4 Flash 0731

Community quantizations of this model — GGUF for llama.cpp, Ollama, and LM Studio, plus AWQ/MLX variants where available.

Related Models

Frequently Asked Questions

How much VRAM does DeepSeek V4 Flash 0731 need?

DeepSeek V4 Flash 0731 requires 182.8 GB of VRAM at Q4_K_M, or 608.7 GB at BF16. Full 1049K context adds up to 11.5 GB (194.3 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 304.2B × 4.8 bits ÷ 8 = 182.5 GB

KV Cache + Overhead 0.3 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 11.8 GB (at full 1049K context)

VRAM usage by quantization

182.8 GB
194.3 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 5090 run DeepSeek V4 Flash 0731?

No — DeepSeek V4 Flash 0731 requires at least 129.6 GB at Q2_K, which exceeds the NVIDIA GeForce RTX 5090's 32 GB of VRAM.

What's the best quantization for DeepSeek V4 Flash 0731?

For DeepSeek V4 Flash 0731, Q4_K_M (182.8 GB) offers the best balance of quality and VRAM usage. Q5_K_M (217.1 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 129.6 GB.

VRAM requirement by quantization

Q2_K
129.6 GB
Q4_K_M
182.8 GB
Q5_K_M
217.1 GB
Q6_K
251.3 GB
Q8_0
304.5 GB
BF16
608.7 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run DeepSeek V4 Flash 0731 on a Mac?

DeepSeek V4 Flash 0731 requires at least 129.6 GB at Q2_K, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.

Can I run DeepSeek V4 Flash 0731 locally?

Yes — DeepSeek V4 Flash 0731 can run locally on consumer hardware. At Q4_K_M quantization it needs 182.8 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is DeepSeek V4 Flash 0731?

At Q4_K_M, DeepSeek V4 Flash 0731 can reach ~26 tok/s on AMD Instinct MI350X. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: NVIDIA B2008000 ÷ 182.8 × 0.65 = ~28 tok/s

Estimated speed at Q4_K_M (182.8 GB)

~28 tok/s
~28 tok/s
~26 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of DeepSeek V4 Flash 0731?

At Q4_K_M, the download is about 182.51 GB. The full-precision BF16 version is 608.36 GB. The smallest option (Q2_K) is 129.28 GB.

Which GPUs can run DeepSeek V4 Flash 0731?

No single consumer GPU has enough VRAM to run DeepSeek V4 Flash 0731 at Q4_K_M (182.8 GB). Multi-GPU or professional hardware is required.

Which devices can run DeepSeek V4 Flash 0731?

6 devices with unified memory can run DeepSeek V4 Flash 0731 at Q4_K_M (182.8 GB), including Mac Pro M2 Ultra (192 GB), Mac Studio (M3 Ultra, 256GB), Mac Studio (M3 Ultra, 512GB), Mac Studio M2 Ultra (192 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.