Qwen2.5 1.5B

QwenQwenStatus: active

Qwen2.5 1.5B is a small language model, foundation AI model developed by Qwen. It was released on 2024-09-19. Its tracked lifecycle status is active. It supports a context window of 131,072 tokens. It has 1.5B parameters.

Specifications

机构
Qwen
Model family
Qwen
Generation
2.5
状态
active
Released
2024-09-19
Model type
Small Language Model, Foundation
Input modalities
text
Output modalities
text
Context window
131,072 tokens
参数量
1.5B
许可证
Apache-2.0
权重
open weights
官方 API
Yes
可自部署
Yes
Last verified
2026-08-01

能力

  • Tool use

Official sources

Qwen BlogOfficial siteHugging Face

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