Group 1 - Meta is reorganizing its AI division into four new groups, officially announced via an internal memo [1][2] - The new organization will be named Meta Superintelligence Labs (MSL), with a key group called TBD Labs focusing on foundation models like the Llama series [2] - The reorganization is a response to competitive pressures from rivals such as OpenAI, Anthropic, and Google DeepMind, with Mark Zuckerberg personally involved in recruitment efforts [3] Group 2 - Alexandr Wang, founder of Scale AI, has been appointed as Chief AI Officer and will lead TBD Labs [1][2] - The other three groups within MSL will concentrate on research, product integration, and infrastructure [2] - Meta has significantly invested resources into revamping its AI organization to enhance its competitive position in the market [3]