Qwen3-VL-8B-Instruct vs UI-TARS-1.5-7B

Specs, VRAM requirements and download trends — updated 6 August 2026.

Qwen · A
Params
8.8 B
Context
30d
4.9 M
apache-2.0 · commercial OK
ByteDance-Seed · B
Params
8.3 B
Context
128,000
30d
909 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-VL-8B-Instruct UI-TARS-1.5-7B
Parameters 8.8 B 8.3 B
Architecture Qwen3VLForConditionalGeneration Qwen2_5_VLForConditionalGeneration
Context length 128,000
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages 1
Downloads 30d 4,880,071 909,011
Downloads all time 45.3 M 3.3 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-10-11 2025-04-16

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

5.1 M909 K
Qwen3-VL-8B-Instruct UI-TARS-1.5-7B

VRAM side by side

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

Qwen3-VL-8B-Instruct · fp16 21.1 GB / 24 GB
⚠️ Tight — reduce context
UI-TARS-1.5-7B · fp16 @ 125K ctx 56.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons