Meta Platforms, Inc. (formerly Facebook, Inc.) is a multinational technology company headquartered in Menlo Park, California. Founded in 2004 by Mark Zuckerberg, Meta has become one of the most influential players in AI, particularly through its commitment to open-source AI development.
Meta's AI research division, formerly known as FAIR (Fundamental AI Research), has produced groundbreaking work in machine learning, computer vision, and natural language processing. The company's most significant AI contribution is the Llama family of open-source large language models, which have become a cornerstone of the open-source AI ecosystem.
Key AI products and contributions include:
- **Llama models** — Meta's family of open-source LLMs, with Llama 4 (2025) featuring Scout, Maverick, and Behemoth variants with up to 2 trillion parameters
- **PyTorch** — The widely adopted open-source machine learning framework originally developed by Meta, now the industry standard for AI research and production
- **Llama API** — Meta's pay-per-use cloud API service for Llama models, launched at LlamaCon 2025
- **Meta AI** — AI assistant integrated across Facebook, Instagram, WhatsApp, and Messenger
- **Reality Labs AI** — AI-powered features for VR/AR experiences in Meta Quest devices
- **AI-powered advertising** — Machine learning systems that power Meta's $189B+ annual advertising business
As a publicly traded company (NASDAQ: META), Meta Platforms has a market capitalization of approximately $1.85 trillion and employs over 78,000 people globally. The company has invested billions in AI infrastructure and continues to champion open-source AI development as a core strategy.