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Model Library/Qwen/Qwen3.5 4B
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Qwen3.5 4B

Ready
Deploy on Demand
model path:accounts/fireworks/models/qwen3p5-4b

Base model of 4B model from Qwen 3.5 series

Qwen3.5 4B API Features

On-demand Deployment

Docs

On-demand deployments allow you to use Qwen3.5 4B on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
4/9/2026
Kind
Base model
Provider
Qwen
Hugging Face
Qwen/Qwen3.5-4B

Specification

Calibrated
No
Mixture-of-Experts
No
Parameters
5.17B

Supported Functionality

Fine-tuning
Not supported
Serverless
Not supported
Context Length
262k tokens
Function Calling
Not supported
Embeddings
Not supported
Rerankers
Not supported
Support image input
Not supported