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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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
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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 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.
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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.
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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