Qwen2-1.5B-Instruct vs Phi-3.5-mini-instruct

Specs, VRAM requirements and download trends — updated 10 August 2026.

Qwen · A · Open weights
Params
1.5 B
Context
32,768
30d
144 K
apache-2.0 · commercial OK
microsoft · B · Open weights
Params
3.8 B
Context
131,072
30d
367 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2-1.5B-Instruct Phi-3.5-mini-instruct
Parameters 1.5 B 3.8 B
Architecture Qwen2ForCausalLM Phi3ForCausalLM
Context length 32,768 131,072
Licence apache-2.0 mit
Commercial use Allowed Allowed
Languages 1 1
Downloads 30d 144,329 367,275
Downloads all time 31.9 M 13.3 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-06-03 2024-08-16

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

2.4 M144 K
Qwen2-1.5B-Instruct Phi-3.5-mini-instruct

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Qwen2-1.5B-Instruct · fp16 4.1 GB / 24 GB
✅ Runs comfortably
Phi-3.5-mini-instruct · fp16 @ 128K ctx 18.1 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons