Skip to content
Free
ModelsEmpiriolabsopen weights1 provider

Qwen3.5 4B

Qwen3.5 4B is a low-cost multimodal reasoning model with 256K context, image and video input, function tools, and structured output.

Best input price

$0.04

per million tokens

Context window
262,144

tokens

Reasoning
Supported
Tool calling
Supported
Released
2026-03-02

Inference providers1 hosting Qwen3.5 4B