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Alibaba·Open Source

Qwen 2.5

Family of permissive open models with strong code variants.

Params
0.5B–72B
Context
128K
License
Apache 2.0 (most sizes)
Released
2024

Overview

Qwen 2.5 spans many sizes with Apache-licensed weights, leading on code (Qwen-Coder) and math (Qwen-Math) benchmarks.

Features

  • Many sizes
  • Apache 2.0
  • Code & math specialists
  • Long context

Advantages

  • Permissive license
  • Edge-deployable sizes
  • Specialist variants

Limitations

  • Less English-focused than Llama
  • Larger sizes need quantization

Best for

  • On-device
  • Coding
  • Specialized fine-tunes