In July 2024 Meta released Llama 3.1 405B as what it describes as the first frontier-level open source AI model, alongside updated Llama 3.1 70B and 8B models.

supports (1)

• SOpen Source AI is the Path Forward primary_testimony
  weight

  0.95

  locator: paragraph 3 ('Today we're taking the next steps...')

  “We're releasing Llama 3.1 405B, the first frontier-level open source AI model, as well as new and improved Llama 3.1 70B and 8B models.”