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Capability gains

Meta releases Llama 3.3 70B Instruct

Meta released Llama 3.3 70B Instruct with performance approaching Llama 3.1 405B Instruct at much lower serving cost under the Llama community license.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM70confidence 98/100

Why it moved the index

A much smaller open-weight instruction model approached the prior 405B tier's performance and reduced frontier-level serving cost, accelerating broad deployment and diffusion. The exact model card establishes the immutable tier.

Assessment history

  1. R1
    Toward 70 · confidence 98

    New December 2024 exact open-weight model tier with no durable identity collision.

    12 Aug 2026

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DoomBench social sharing card for Meta releases Llama 3.3 70B Instruct.

  1. DoomBench assesses “Meta releases Llama 3.3 70B Instruct” as evidence moving toward doom, with magnitude 70 and confidence 98 out of 100 in the capability gains category.

  2. The DoomBench assessment of “Meta releases Llama 3.3 70B Instruct” is based on reporting from Meta and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “Meta releases Llama 3.3 70B Instruct” as follows: Meta released Llama 3.3 70B Instruct with performance approaching Llama 3.1 405B Instruct at much lower serving cost under the Llama community license.

    https://www.doombench.com/news/meta-releases-llama-3-3-70b-instruct-2024-12-06