Meta
The highly anticipated 400B class of Llama3 is here! Clocking in at 128k context with impressive eval scores, the Meta AI team continues to push the frontier of open-source LLMs. Meta's latest class of model (Llama 3. 1) launched with a variety of sizes & flavors.
Running this yourself: likely needs a high-memory cloud gpu.
Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors.
53.4
Quality Score
1283
Arena ELO
405B
Parameters
131K
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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Jul 2024
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
Llama 3.1 - SWE-Bench Verified
SWE-Bench Verified resolved rate 40.6
View sourceLlama 3.1 - SWE-Bench Verified
SWE-Bench Verified resolved rate 40.6
View sourceLlama-3.1-405B-Instruct — BigCodeBench #156
405B params
View sourceLlama 3.1 - SWE-Bench Verified
SWE-Bench Verified resolved rate 40.6
View sourcellama-3.1 - GAIA
GAIA score 0.7 from gaia_agent_huggingfacet
View sourcellama-3.1 - GAIA
GAIA score 0.7 from gaia_agent_huggingfacet
View source1283
ELO Score
1280 - 1285
95% Confidence
+/-3 points
63.0K
Battles
May 21, 2026
Last Updated