Qwen3-4B

deprecatedapache-2.04B

Context

41K

Capabilities

Show unsupported (1)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Fine-tuning

Details

Model IDQwen/Qwen3-4B

ProviderHugging Face

CreatorQwen

Family—

Licenseapache-2.0

Statusdeprecated

Typechat

Input modalitiestext

Output modalitiestext

Open weightYes

Parameters4B

Architecturetransformer

Context window41K tokens

Max input—

Max output—

Reasoning tokensYes

Knowledge cutoff—

Release date2025-04-27

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

API

GET/v1/models/huggingface/Qwen/Qwen3-4B