Meta
Llama 3.1 405B Instruct: Meta's largest open-weights language model for complex reasoning tasks
Running this yourself: likely needs a high-memory cloud gpu.
63.1
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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218.3K
Downloads
596
Likes
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 sourceTo demonstrate Meta AI's advanced reasoning and multimodal capabilities, we submitted a model to participate in the Asian Physics Olympiad’s theoretical exam. We’re happy to share that our model achie
To demonstrate Meta AI's advanced reasoning and multimodal capabilities, we submitted a model to participate in the Asian Physics Olympiad’s theoretical exam. We’re happy to share that our model achieved a perfect score of 30/30, tying with the top 3 student contestants. We https://t.co/ZnlUlfLFQW
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
Jul 16, 2026
Last Updated