DeepSeek·DeepSeek V3·DeepseekV3ForCausalLM

DeepSeek V3.1 — Hardware Requirements & GPU Compatibility

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DeepSeek V3.1 is a 684.5B-parameter open language model from DeepSeek in the DeepSeek V3 family. It supports a context window of up to 163,840 tokens. At Q4_K_M it needs about 414.60 GB of VRAM — see which GPUs and Macs can run it below.

298.3K downloads 826 likes 14.4K quant downloads164K context

Specifications

Publisher
DeepSeek
Family
DeepSeek V3
Parameters
684.5B
Architecture
DeepseekV3ForCausalLM
Context Length
163,840 tokens
Vocabulary Size
129,280
Release Date
2025-08-21
License
MIT

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How Much VRAM Does DeepSeek V3.1 Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_K3.40294.8 GB
Q3_K_S3.50303.4 GB
Q3_K_M3.90337.6 GB
Q4_04.00346.1 GB
Q4_K_M4.80414.6 GB
Q5_K_M5.70491.6 GB
Q6_K6.60568.6 GB
Q8_08.00688.4 GB

Which GPUs Can Run DeepSeek V3.1?

Q4_K_M · 414.6 GB

DeepSeek V3.1 (Q4_K_M) requires 414.6 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 539+ GB is recommended. Using the full 164K context window can add up to 283.0 GB, bringing total usage to 697.6 GB. No single GPU has enough memory — multi-GPU or cluster setups are needed.

Which Devices Can Run DeepSeek V3.1?

Q4_K_M · 414.6 GB

2 devices with unified memory can run DeepSeek V3.1, including NVIDIA DGX H100, NVIDIA DGX A100 640GB.

Where to Download DeepSeek V3.1

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

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Frequently Asked Questions

How much VRAM does DeepSeek V3.1 need?

DeepSeek V3.1 requires 414.6 GB of VRAM at Q4_K_M, or 1372.9 GB at BF16. Full 164K context adds up to 283.0 GB (697.6 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 684.5B × 4.8 bits ÷ 8 = 410.7 GB

KV Cache + Overhead 3.9 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 286.9 GB (at full 164K context)

VRAM usage by quantization

414.6 GB
697.6 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 5090 run DeepSeek V3.1?

No — DeepSeek V3.1 requires at least 192.1 GB at IQ2_XXS, which exceeds the NVIDIA GeForce RTX 5090's 32 GB of VRAM.

What's the best quantization for DeepSeek V3.1?

For DeepSeek V3.1, Q4_K_M (414.6 GB) offers the best balance of quality and VRAM usage. Q5_K_S (474.5 GB) provides better quality if you have the VRAM. The smallest option is IQ2_XXS at 192.1 GB.

VRAM requirement by quantization

IQ2_XXS
192.1 GB
Q3_K_S
303.4 GB
Q4_1
388.9 GB
Q4_K_M
414.6 GB
Q5_K_S
474.5 GB
BF16
1372.9 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run DeepSeek V3.1 on a Mac?

DeepSeek V3.1 requires at least 192.1 GB at IQ2_XXS, 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 V3.1 locally?

Yes — DeepSeek V3.1 can run locally on consumer hardware. At Q4_K_M quantization it needs 414.6 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

What's the download size of DeepSeek V3.1?

At Q4_K_M, the download is about 410.72 GB. The full-precision BF16 version is 1369.06 GB. The smallest option (IQ2_XXS) is 188.25 GB.

Which GPUs can run DeepSeek V3.1?

No single consumer GPU has enough VRAM to run DeepSeek V3.1 at Q4_K_M (414.6 GB). Multi-GPU or professional hardware is required.

Which devices can run DeepSeek V3.1?

3 devices with unified memory can run DeepSeek V3.1 at Q4_K_M (414.6 GB), including Mac Studio (M3 Ultra, 512GB), NVIDIA DGX A100 640GB, NVIDIA DGX H100. Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.