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Capability gains

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.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM82confidence 99/100

Why it moved the index

The first openly downloadable 405B frontier-scale model and upgraded tool-using smaller tiers materially expanded high-end capability, replication and competitive diffusion.

Assessment history

  1. R1
    Toward 82 · confidence 99

    New July 2024 exact frontier-scale open model family release.

    12 Aug 2026

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  1. DoomBench assesses “Meta releases frontier-scale Llama 3.1 open models” as evidence moving toward doom, with magnitude 82 and confidence 99 out of 100 in the capability gains category.

  2. The DoomBench assessment of “Meta releases frontier-scale Llama 3.1 open models” is based on reporting from Meta and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “Meta releases frontier-scale Llama 3.1 open models” as follows: Meta released Llama 3.1 in 8B, 70B and 405B base and instruction tiers with 128K context, multilingual support, tool use, downloadable weights and...

    https://www.doombench.com/news/meta-releases-frontier-scale-llama-3-1-open-models-2024-07-23