Qwen2 0.5B Instruct
READER SUMMARYThe smallest instruction-tuned checkpoint in Alibaba Cloud's initial Qwen2 open-weight family for lightweight conversational deployment.
Why this model scores 36.4
Instruction tuning modestly improves practical use while the tiny downloadable model has exceptional deployment reach and weak centralized control.
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News tied to Qwen2 0.5B Instruct
The model score of 36.4 rates this model's risk profile. The overall Doom Index of 63.2 measures the recalibrated complete evidence corpus. These values answer different questions.
Each article's leave-one-out Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores are recalculated from their technical profile and related news, but never feed back into the overall index.
Alibaba releases ten Qwen2 base and instruction models
Alibaba Cloud released Qwen2 weights spanning 0.5B to 72B parameters, including a 57B mixture-of-experts tier, with base and instruction variants and permissive commercial access for most sizes.
- Full item contribution
- +0.03
- Qwen2 0.5B Instruct equal share
- +0.00
Model score history
- R1Doom Score 36.4
New exact Qwen2 0.5B instruction checkpoint.
12 Aug 2026