Llama 3.1 70B Base
Meta's downloadable 70B Llama 3.1 base checkpoint with 128K context and multilingual support.
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Why this model scores 57.7
Strong general capability and downloadable weights enable extensive customization and harmful repurposing, although the base checkpoint has little independent agent behavior.
News tied to Llama 3.1 70B Base
The model score of 57.7 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 frontier-scale Llama 3.1 open models
Meta released Llama 3.1 in 8B, 70B and 405B base and instruction tiers with 128K context, multilingual support, tool use, downloadable weights and day-one distribution through more than 25 partners.
- Full item contribution
- +0.22
- Llama 3.1 70B Base equal share
- +0.04
Model score history
-
R3
Doom Score 57.7
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 58.0
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 58.9
New exact Llama 3.1 70B base checkpoint.
12 Aug 2026