(FILES) OpenAI CEO Sam Altman attends a talk session with SoftBank group Chairman and CEO Masayoshi Son in Tokyo on February 3, 2025. OpenAI announced on February 27, 2026, a massive $110 billion funding round valuing the ChatGPT maker at $730 billion, with SoftBank, Nvidia and Amazon each making multi-billion dollar commitments as the artificial intelligence company races to meet surging global demand. The investment round -- one of the largest in Silicon Valley history -- includes $30 billion from Japanese conglomerate SoftBank, $30 billion from chip giant NVIDIA, and $50 billion from Amazon, with additional investors expected to join as the round progresses. (Photo by Yuichi YAMAZAKI / AFP via Getty Images)