Setup Qwen3.5-4B with Native FP4

If you want the fastest local installation for this model, use standard pip packages.

Follow the step-by-step instructions below.

The download manager will automatically pull several gigabytes of data.

The program scans your VRAM and RAM to seamlessly apply optimal configurations.

📤 Release Hash: afb621aa8c6ab80b59e22949ee713329 • 📅 Date: 2026-07-03



  • CPU: 8-core / 16-thread recommended for orchestration
  • RAM: required: 16 GB absolute minimum for small models
  • Disk Space: free: 80 GB on system drive for scratch space
  • Graphics: CUDA Compute Capability 8.0+ required for flash-attention

The Qwen3.5-4B is a compact yet powerful language model released by Alibaba Cloud. It leverages a refined architecture that balances inference speed with contextual depth, making it suitable for both commercial chatbots and developer tools. The model achieves strong performance on reasoning tasks while maintaining a relatively low memory footprint, thanks to its efficient attention mechanism. Its training incorporates a diverse corpus of text from multiple domains, enabling robust multilingual support and domain adaptation. Compared to earlier Qwen versions, the 4B parameter variant offers a significant improvement in factual accuracy and coherence. Below is a quick comparison of key specifications:

Specification Value
Parameter Count 4 billion
Context Length 8 K tokens
Training Data Multilingual web and books
Peak FLOPS ≈ 2 TFLOPS
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