DeepSeek R1 Distill Qwen 1.5B vs Qwen3.5 4B MiniFantasy MTP

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

DeepSeek R1 Distill Qwen 1.5B

DeepSeek · 1.8B

ChatReasoning
Qwen3.5 4B MiniFantasy MTP

MuXodious · 4.7B

ChatRoleplay

Specifications

DeepSeek R1 Distill Qwen 1.5BQwen3.5 4B MiniFantasy MTP
Parameters1.8B4.7B
Context131K262K
ArchitectureQwen2ForCausalLMQwen3_5ForConditionalGeneration
LicenseMITApache 2.0
Downloads788.2K181
ReleasedFeb 2025May 2026

VRAM by Quantization: DeepSeek R1 Distill Qwen 1.5B vs Qwen3.5 4B MiniFantasy MTP

QuantizationBitsDeepSeek R1 Distill Qwen 1.5B VRAMQwen3.5 4B MiniFantasy MTP VRAM
Q2_K3.401.1 GB
Q3_K_M3.901.2 GB
Q4_K_M4.801.4 GB
Q5_K_M5.701.6 GB
Q6_K6.601.8 GB
Q8_08.002.1 GB

Verdict

Qwen3.5 4B MiniFantasy MTP supports a longer context window (262K tokens). DeepSeek R1 Distill Qwen 1.5B is the more widely downloaded of the two.

Frequently Asked Questions

Which has a longer context window, DeepSeek R1 Distill Qwen 1.5B or Qwen3.5 4B MiniFantasy MTP?

DeepSeek R1 Distill Qwen 1.5B supports 131,072 tokens and Qwen3.5 4B MiniFantasy MTP supports 262,144 tokens.

What is the difference between DeepSeek R1 Distill Qwen 1.5B and Qwen3.5 4B MiniFantasy MTP?

DeepSeek R1 Distill Qwen 1.5B is a 1.8B model from DeepSeek (Qwen family), while Qwen3.5 4B MiniFantasy MTP is a 4.7B model from MuXodious (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.