All LLMs
Meta·Open Source

Llama 3.1 405B

Frontier-class open weights model.

Params
405B
Context
128K
License
Llama Community License
Released
2024

Overview

Llama 3.1 405B brings GPT-4-level capability to open weights, enabling on-prem deployment, fine-tuning, and full inspection.

Features

  • Open weights
  • 128K context
  • Tool use
  • Multilingual

Advantages

  • Self-hostable
  • Fine-tunable
  • No vendor lock-in
  • Active ecosystem

Limitations

  • Heavy hardware needs
  • Community license restrictions

Best for

  • Private deployments
  • Fine-tuning base
  • Research