Open-weight local LLM

Qwen 3.5 (4B)

Sweet-spot small model. Surprisingly capable for its size with hybrid thinking, 256K context and strong multilingual support. Runs on 8 GB RAM. The go-to for MacBook Air M4 16 GB. Apache 2.0.

Laptop ready 6 GB RAM Q4_K_M Coding assistant
Parameters
4B
Minimum RAM
6 GB
Model size
3 GB
Quantization
Q4_K_M

Can Qwen 3.5 (4B) run locally?

Qwen 3.5 (4B) is a good fit for normal laptops and compact desktops with 8 GB RAM or more.

Search for qwen3.5-4b in LM Studio or another GGUF-compatible runtime.

chatcodereasoningspeedgeneral

Install path

01
Check RAM fitMinimum 6 GB RAM. Start with the Q4_K_M quant.
02
Load the modelSearch qwen3.5-4b in LM Studio.
03
Control locallyUse LocalClaw to manage models, agents, chat, channels and scheduled OpenClaw work.

Strengths

  • Sweet-spot small model. Surprisingly capable for its size with hybrid thinking, 256K context and strong multilingual support. Runs on 8 GB RAM. The go-to for MacBook Air M4 16 GB. Apache 2.0.

Limitations

  • Performance depends on quantization, RAM bandwidth and runtime support.

Best use cases

  • chat
  • code
  • reasoning
  • speed
  • general

Capability profile

speed
9
quality
6
coding
6
reasoning
6

Technical notes

Developer
qwen
License
See model repository
Context window
Unknown tokens
Architecture
See model card

This model fits these next steps

Hardware fit is based on LocalClaw's RAM tier, model size and quantization metadata. Always leave memory headroom for your OS and runtime.

Where to go next