Hua Er Jie Jian Wen·2025-12-10 03:06Core Insights - Nvidia's next-generation Blackwell chips and subsequent products are expected to reshape the cost structure of AI training, potentially ending Google's TPU cost advantage [1] - The transition from Nvidia's Hopper to Blackwell is one of the most complex product transformations in tech history, creating an unexpected advantage window for Google [2] - Google's conservative design choices and supply chain strategies in TPU development may limit its long-term competitiveness [4][5] Group 1: Nvidia's Blackwell Chips - The Blackwell chip cluster is set to begin training use in early 2026, with the GB300 chip following, which will be easier to deploy [1][2] - The first models trained on Blackwell are expected to be launched by xAI in early 2026 [2] - The GB300 chip will feature "plug-and-play" compatibility, allowing for direct replacement of existing GB200 infrastructure without additional modifications [3] Group 2: Google's TPU Challenges - Google's TPU architecture decisions, including outsourcing backend design to Broadcom, may result in significant annual payments, limiting profitability [4] - The introduction of MediaTek as a second supplier signals a warning to Broadcom, but this diversification may slow down TPU development [5] - If Google loses its status as the lowest-cost producer, its strategic computing approach will fundamentally change, making it difficult to maintain a negative profit margin [6]