Llama 2 7B Chat
Open-weight 7B conversational Llama 2 model fine-tuned for dialogue and assistant use.
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Why this model scores 45.8
Instruction following increased practical usefulness and limited autonomy, while broad downloadable access and easy local serving maximized deployment.
News tied to Llama 2 7B Chat
The model score of 45.8 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.
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
- +0.12
- Llama 2 7B Chat equal share
- +0.02
Model score history
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R3
Doom Score 45.8
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 46.2
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 46.9
New exact Llama 2 7B chat profile.
12 Aug 2026