Meta has launched the Llama 3.1 AI models, including the massive Llama 3.1 405B, with a 128K context length. These models are open-source and competitive with top AI models like GPT-4, available through various cloud platforms https://alternativeto.net/news/2024/7/meta-unveils-llama-3-1-open-source-ai-models-including-the-405b-with-128k-context-length/