GLM-4.5
Open-weight 355-billion-parameter mixture-of-experts model unifying reasoning, coding and agentic tasks.
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Why this model scores 82.9
Strong unified reasoning and agent capabilities raise capability and autonomy; open weights and accessible deployment create high diffusion, misuse and control difficulty.
News tied to GLM-4.5
The model score of 82.9 rates this model's risk profile. The overall Doom Index of 66.8 measures the complete temporally weighted evidence record. These values answer different questions.
Each article's current 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 use a bounded temporal offset around their technical profile, but never feed back into the overall index.
Z.ai releases open-weight GLM-4.5 and GLM-4.5-Air agentic models
Z.ai released GLM-4.5 and GLM-4.5-Air with open weights and unified reasoning, coding and agent capabilities, including 355-billion and 106-billion-parameter mixture-of-experts variants.
- Full item contribution
- +0.19
- GLM-4.5 equal share
- +0.09
Model score history
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R3
Doom Score 82.9
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 82.8
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 82.5
New exact July 2025 open model profile anchored to the company release and official repository.
12 Aug 2026