Qwen3.5-9B vs Qwen3.8-27B-NVFP4

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

Qwen · A · Open weights
Params
9.7 B
Context
—
30d
6.4 M
apache-2.0 · commercial OK
RadixArk · B · Open weights
Params
18.2 B
Context
—
30d
969 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3.5-9B Qwen3.8-27B-NVFP4
Deployment Open weights · also via API Open weights
Parameters 9.7 B 18.2 B
Architecture Qwen3_5ForConditionalGeneration Qwen3_5ForConditionalGeneration
Context length 262,144 —
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages — —
Downloads 30d 6,366,157 969,226
Downloads all time 75.3 M 4.2 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-02-27 2026-08-14
API input price / 1M tokens $0.17 not on OpenRouter
API output price / 1M tokens $0.25 not on OpenRouter
Est. cost per 1M input + 1M output tokens $0.42 not on OpenRouter
Cached input / 1M tokens — not on OpenRouter
AA Intelligence Index — not on OpenRouter
AA Coding Index 28.7 not on OpenRouter
AA Agentic Index 1.2 not on OpenRouter
Max output tokens 235,929 not on OpenRouter
API providers 6 not on OpenRouter
Tool calling Yes not on OpenRouter
Reasoning mode Yes not on OpenRouter

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Qwen3.5-9B $0.42

Download trend

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

14.3 M773 K
Qwen3.5-9B Qwen3.8-27B-NVFP4

VRAM side by side

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

Qwen3.5-9B · fp16 23.2 GB / 24 GB
⚠️ Tight — reduce context
Qwen3.8-27B-NVFP4 · fp16 27.3 GB / 24 GB
❌ Won’t fit

Adjacent comparisons