Qwen2 0.5B Base
READER SUMMARYThe smallest base checkpoint in Alibaba Cloud's initial Qwen2 open-weight family, intended for lightweight multilingual language-model use.
Why this model scores 33.4
Very limited intrinsic capability and autonomy are offset by trivial local deployment and unrestricted replication of downloadable weights.
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News tied to Qwen2 0.5B Base
The model score of 33.4 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 Base equal share
- +0.00
Model score history
- R1Doom Score 33.4
New exact Qwen2 0.5B base checkpoint.
12 Aug 2026