Local LLM model page

Qwen 3 (4B)

Alibaba's think-then-answer model. Built-in chain-of-thought reasoning at just 4B params.

Parameters
4B
Minimum RAM
4 GB
Model size
2.8 GB
Quantization
Q5_K_M

Can Qwen 3 (4B) run locally?

Qwen 3 (4B) is best suited for entry-level laptops and desktops. LocalClaw recommends Q5_K_M as the default quantization, with at least 4 GB RAM.

Search term for LM Studio or compatible runtimes: qwen3-4b

Hugging Face repository: lmstudio-community/Qwen3-4B-GGUF

chatcodelightspeedreasoning

Strengths

  • Built-in chain-of-thought reasoning
  • Thinking mode toggleable
  • Apache 2.0 license
  • Strong multilingual support

Limitations

  • Smaller context than Qwen3 8B+
  • Limited for complex multi-turn conversations

Best use cases

  • Quick reasoning tasks
  • Multilingual chat
  • Math problem solving
  • Mobile deployment

Benchmarks

Speed: 9/10

Quality: 6/10

Coding: 7/10

Reasoning: 7/10

Technical details

Developer: Alibaba Cloud (Qwen Team)

License: Apache 2.0

Context window: 32,768 tokens

Architecture: Transformer with Thinking/Non-Thinking hybrid

Released: 2025-04