DeepSeek R1 Distill Qwen 1.5B vs Qwen 1 8B

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

DeepSeek R1 Distill Qwen 1.5B

litert-community · 1.5B

ChatReasoning
Qwen 1 8B

Alibaba · 1.8B

Chat

Specifications

DeepSeek R1 Distill Qwen 1.5BQwen 1 8B
Parameters1.5B1.8B
Context8K
ArchitectureQWenLMHeadModel
LicenseMIT
Downloads32.8K1.8K
ReleasedSep 2025

VRAM by Quantization: DeepSeek R1 Distill Qwen 1.5B vs Qwen 1 8B

QuantizationBitsDeepSeek R1 Distill Qwen 1.5B VRAMQwen 1 8B VRAM
Q2_K3.400.7 GB0.9 GB
Q3_K_M3.900.8 GB1.0 GB
Q3_K_S3.500.7 GB0.9 GB
Q4_04.000.8 GB
Q4_K_M4.801.0 GB1.2 GB
Q5_K_M5.701.2 GB1.4 GB
Q6_K6.601.4 GB1.7 GB
Q8_08.001.6 GB2.0 GB

Verdict

DeepSeek R1 Distill Qwen 1.5B needs less VRAM at Q4_K_M (1.0 GB vs 1.2 GB), so it fits on smaller GPUs. DeepSeek R1 Distill Qwen 1.5B is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, DeepSeek R1 Distill Qwen 1.5B or Qwen 1 8B?

At Q4_K_M, DeepSeek R1 Distill Qwen 1.5B needs 1.0 GB and Qwen 1 8B needs 1.2 GB, so DeepSeek R1 Distill Qwen 1.5B is the lighter option to run locally.

What is the difference between DeepSeek R1 Distill Qwen 1.5B and Qwen 1 8B?

DeepSeek R1 Distill Qwen 1.5B is a 1.5B model from litert-community (Qwen family), while Qwen 1 8B is a 1.8B model from Alibaba (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.