Meta AI is a free AI chatbot built into Facebook, Instagram, WhatsApp, and Messenger that can answer questions, generate images, help with tasks, and hold voice conversations — available to approximately 700 million users monthly.

Beta launched September 2023 (Llama 2); upgraded April 2024 (Llama 3, full rollout); multimodal September 2024 (Llama 3.2 — photo understanding, voice mode); standalone app April 2025 (Llama 4). ~700M monthly active users as of January 2025. Features: text chat, image generation, voice mode, photo analysis, web search, image editing. Controversies: hallucinated in parents' Facebook groups (claimed to have a child). FTC investigation into child safety. Reuters (August 2025) revealed 200-page internal document showing chatbot guidelines permitted romantic conversations with minors. Meta refused to sign EU's voluntary AI Code of Practice (only major AI company to do so). EU AI Act GPAI obligations apply from August 2025.