Llama 2 13B Base
Open-weight 13B pretrained Llama 2 model released for research and commercial use.
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Why this model scores 46.8
Higher capability than the 7B tier remained widely deployable on accessible hardware, with downloadable weights limiting enforceable safeguards.
News tied to Llama 2 13B Base
The model score of 46.8 rates this model's risk profile. The overall Doom Index of 67.9 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.
Meta releases Llama 2 weights for commercial use
Meta released pretrained and chat-tuned Llama 2 models in 7B, 13B and 70B sizes for research and commercial use, with distribution through Azure, AWS and Hugging Face.
- Full item contribution
- +0.13
- Llama 2 13B Base equal share
- +0.02
Model score history
-
R3
Doom Score 46.8
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 47.2
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 47.9
New exact Llama 2 13B base profile.
12 Aug 2026