Llama 2 70B Base
READER SUMMARYLargest open-weight pretrained Llama 2 model, released for research and commercial use.
Why this model scores 52.4
The strongest base tier increased transferable capability and misuse potential. Hardware demands reduced deployment somewhat, but open weights raised control difficulty.
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News tied to Llama 2 70B Base
The model score of 52.4 rates this model's risk profile. The overall Doom Index of 61.5 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.
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
- +0.04
- Llama 2 70B Base equal share
- +0.01
Model score history
- R1Doom Score 52.4
New exact Llama 2 70B base profile.
12 Aug 2026