AI Model

Llama 3.1 405B

Released on July 23, 2024

Release Summary

Meta's first frontier-scale open-weights Llama with 405B parameters, 128K context, multilingual support, and tool use, rivaling closed models on many benchmarks.

Timeline

July 23, 2024

Llama 3.1 405B released

Meta releases Llama 3.1 in 8B, 70B, and 405B sizes with 128K context and open downloads on llama.com.