# Qwen2.5 0.5B requirements

Updated: 2026-06-15

Qwen2.5 family, 0.494B params, released 2024-09-19.

- Q4_K_M: 0.491 GB on disk; ~1.5 GB to run at 4k context
- Q8_0: 0.676 GB
- Context: 128k
- Run: `ollama run qwen2.5:0.5b`
- Runs on 39 of 39 tracked devices

Sources: https://ollama.com/library/qwen2.5:0.5b, https://huggingface.co/Qwen/Qwen2.5-0.5B-Instruct-GGUF, https://qwenlm.github.io/blog/qwen2.5/
More: https://localmodel.run/model/qwen2.5-0.5b