Meta has announced the latest iteration of its open-source AI model family Llama 4.Llama 4 includes four models, with Llama 4 Scout and Llama 4 Maverick already available and Llama 4 Behemoth in training.Meta compared Llama 4 models to competitor AI technologies and found Llama 4 Maverick outperformed OpenAI GPT-4o and Google Gemini 2.0 models.Meta aims to reduce the hardware costs of training its powerful Llama 4 Behemoth model.