Qwen3 1.7B vs DeepSeek R1 Distill Qwen 1.5B

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

Qwen3 1.7B

AXERA-TECH · 1.7B

Chat
DeepSeek R1 Distill Qwen 1.5B

litert-community · 1.5B

ChatReasoning

Specifications

Qwen3 1.7BDeepSeek R1 Distill Qwen 1.5B
Parameters1.7B1.5B
Context
Architecture
LicenseApache 2.0MIT
Downloads10532.8K
ReleasedMar 2026Sep 2025

VRAM by Quantization: Qwen3 1.7B vs DeepSeek R1 Distill Qwen 1.5B

QuantizationBitsQwen3 1.7B VRAMDeepSeek R1 Distill Qwen 1.5B VRAM
Q2_K3.400.8 GB0.7 GB
Q3_K_M3.900.9 GB0.8 GB
Q4_K_M4.801.1 GB1.0 GB
Q5_K_M5.701.3 GB1.2 GB
Q6_K6.601.5 GB1.4 GB
Q8_08.001.9 GB1.6 GB

Verdict

DeepSeek R1 Distill Qwen 1.5B needs less VRAM at Q4_K_M (1.0 GB vs 1.1 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, Qwen3 1.7B or DeepSeek R1 Distill Qwen 1.5B?

At Q4_K_M, Qwen3 1.7B needs 1.1 GB and DeepSeek R1 Distill Qwen 1.5B needs 1.0 GB, so DeepSeek R1 Distill Qwen 1.5B is the lighter option to run locally.

What is the difference between Qwen3 1.7B and DeepSeek R1 Distill Qwen 1.5B?

Qwen3 1.7B is a 1.7B model from AXERA-TECH (Qwen family), while DeepSeek R1 Distill Qwen 1.5B is a 1.5B model from litert-community (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.