Group 1 - OpenAI and SoftBank plan to invest $1 billion in SB Energy to support the development of OpenAI's artificial intelligence infrastructure [1][3] - This collaboration is part of the $500 billion "Stargate" initiative, which also involves Oracle, and aims to enhance AI capabilities through advanced data center construction [3] - SB Energy will build and operate a data center in Texas with a capacity of 1.2 gigawatts, which was announced in September of the previous year [3][4] Group 2 - SB Energy is developing multiple gigawatt-scale data center parks, with the first facilities expected to be operational by 2026 [4] - The partnership between SoftBank and OpenAI has strengthened over the past year, highlighted by a $40 billion funding round led by SoftBank, marking the largest private financing in the tech sector to date [4] - OpenAI has signed infrastructure agreements totaling over $1.4 trillion to meet its growth demands, with expectations of achieving over $20 billion in annual revenue by 2025 [4]