Meta launches Llama 3.1 AI model, rivals OpenAI, Google

Meta has launched its open-source AI model, Llama 3.1, claiming it rivals technologies from OpenAI and Google. This model, available for free, follows the previous Llama 3 release just three months prior. Meta's models have been downloaded 300 million times. Critics express concerns over potential misuse by criminals and geopolitical rivals, while CEO Mark Zuckerberg advocates for open-source AI's accessibility and scrutiny benefits.