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Qwen3.5 4B

qwen Reasoning Tool Calling Attachments Open Weights Structured Output

Qwen instruction model for multilingual chat and tool use

Providers 3
Released Nov 1, 2025
Input Modalities text, image, video
Output Modalities text
Tarsk Use coding

Benchmarks

20.4
Intelligence Index
22.6
Coding Index

Available Providers (3)

Provider Model ID Input Cost Output Cost Context Max Output Docs
QVAC qwen3.5-4b $0/MTok $0/MTok 32.8K 8.2K
EmpirioLabs AI qwen3-5-4b $0.04/MTok $0.07/MTok 262.1K 32.8K
NanoGPT qwen3.5-4b $0.10/MTok $0.20/MTok 262.1K 32.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output