Meta AI

The dominant AI research and applied division within the world's largest social advertising platform, with unmatched scale in ad delivery AI and content ranking

Meta AI (formerly Facebook AI Research / FAIR) is Meta Platforms' central artificial intelligence research and product organization, responsible for developing the foundational AI technologies that power Meta's entire family of apps. The division encompasses both pure research (FAIR - Fundamental AI Research) and applied engineering teams that translate breakthroughs into production systems. Its work underpins virtually every core product experience at Meta, including News Feed ranking, ad delivery optimization, content moderation, natural language understanding, computer vision, and generative AI features. In the AdTech ecosystem, Meta AI is arguably the most consequential AI organization in the world given Meta's scale. Its ad targeting and delivery systems process billions of impressions daily across Facebook, Instagram, Messenger, and the Audience Network, using deep learning models to match advertisers with users at unprecedented precision. The division developed PyTorch, now one of the dominant deep learning frameworks globally, and has published foundational research in areas like large language models (LLaMA), image recognition (DINO, SAM), and recommendation systems (DLRM). Meta AI has expanded into consumer-facing generative AI products, including the Meta AI assistant integrated across Meta's apps and smart glasses hardware. As a division of a publicly traded company generating over $130 billion in annual revenue — the vast majority from advertising — Meta AI's work is directly tied to the performance and monetization of one of the world's largest digital advertising platforms, making it a central force in shaping the future of AI-driven advertising.