Meta Platforms Inc. has launched a new standalone AI app, powered by its latest AI model, Llama 4. The app aims to provide users with personalized voice interactions, integrating with Ray-Ban smart glasses to allow seamless conversations across devices. Additionally, Meta is rolling out the Llama API in preview for AI developers. The Meta AI app includes a social feature called the Discover feed, where users can share and remix AI-generated prompts. This feature leverages Meta's strength in social networking, allowing users to see how others are using the AI chatbot. However, there are concerns about privacy, as some users have accidentally published private conversations through the app. Mark Zuckerberg, CEO of Meta, envisions the app as a personal AI assistant that adapts to user preferences over time. The app's voice-based interactions are designed to be more natural and spontaneous, with a demo using full-duplex speech technology available in select countries. Zuckerberg also aims for AI to write half of Meta's code next year, following Microsoft's example where AI already contributes 30% of the code. The launch of Meta AI positions the company to compete with other AI assistants like OpenAI's ChatGPT, which currently leads the market. Meta's AI app is designed to offer a more personalized and socially integrated experience.