AI’s Big Week: Gemini 2.5 Pro Leads Benchmark Race as Photonic Computing and 2nm Chips Reshape the Stack

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The AI infrastructure stack is being rewritten from top to bottom. This week, scores of new developments across multiple domains have reshaped the landscape of artificial intelligence, cloud computing, and hardware innovation. Google pushed its Gemini 2.5 Pro model ahead of the competition, achieving an impressive 82.4% on the GPQA Diamond benchmark. Meanwhile, AMD unveiled its 2nm EPYC chips, promising significant performance improvements. Photonic AI technology has also made headlines, boasting a staggering 246x efficiency gain over traditional GPU architectures. These advancements signal a pivotal moment in the evolution of AI and computing.