DeepSeek V4 Flash vs DeepSeek V4 Pro

Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.

DeepSeek V4 Flash

DeepSeek · 158.1B

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DeepSeek V4 Pro

DeepSeek · 861.6B

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Specifications

DeepSeek V4 FlashDeepSeek V4 Pro
Parameters158.1B861.6B
Context1049K1049K
ArchitectureDeepseekV4ForCausalLMDeepseekV4ForCausalLM
LicenseMITMIT
Downloads3.4M5.5M
ReleasedMay 2026May 2026

VRAM by Quantization: DeepSeek V4 Flash vs DeepSeek V4 Pro

QuantizationBitsDeepSeek V4 Flash VRAMDeepSeek V4 Pro VRAM
IQ2_XS2.4047.7 GB
IQ2_XXS2.2043.8 GB
Q2_K3.4067.5 GB366.5 GB
Q3_K_M3.9077.4 GB420.4 GB
Q4_K_M4.8095.2 GB517.3 GB
Q5_K_M5.70113.0 GB
Q6_K6.60130.7 GB
Q8_08.00158.4 GB861.9 GB

Verdict

DeepSeek V4 Flash needs less VRAM at Q4_K_M (95.2 GB vs 517.3 GB), so it fits on smaller GPUs. DeepSeek V4 Pro is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, DeepSeek V4 Flash or DeepSeek V4 Pro?

At Q4_K_M, DeepSeek V4 Flash needs 95.2 GB and DeepSeek V4 Pro needs 517.3 GB, so DeepSeek V4 Flash is the lighter option to run locally.

Which has a longer context window, DeepSeek V4 Flash or DeepSeek V4 Pro?

DeepSeek V4 Flash supports 1,048,576 tokens and DeepSeek V4 Pro supports 1,048,576 tokens.

What is the difference between DeepSeek V4 Flash and DeepSeek V4 Pro?

DeepSeek V4 Flash is a 158.1B model from DeepSeek (DeepSeek family), while DeepSeek V4 Pro is a 861.6B model from DeepSeek (DeepSeek family). Compare their VRAM requirements above to see which fits your GPU or Mac.