meta-llama-3.1-405b-instruct

Name: meta-llama-3.1-405b-instruct
Rating: 67.5 (1 reviews)
Author: Meta

#121Large Language ModelsOpen Weights

Meta

Meta's flagship 405 billion parameter language model, fine-tuned for chat completions

Running this yourself: likely needs a high-memory cloud gpu.

Model updates refreshed1h agoMay 30, 2026news + changelog

What changed

Meta's flagship 405 billion parameter language model, fine-tuned for chat completions

67.5

Quality Score

1283

Arena ELO

405B

Parameters

131K

Context

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