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Google DeepMind has raised the bar for AI math reasoning Google DeepMind’s AI co-mathematician is no longer just a research demo. A 48% score on FrontierMath Tier 4 puts it at the front of one of AI’s hardest reasoning races. Google DeepMind has put a new number on the table in the fight over whether AI can do more than produce fluent answers. Its AI co-mathematician has scored 48% on FrontierMath Tier 4, a benchmark built from extremely difficult research-level math problems, and that matters because math is where vague claims about intelligence either become measurable or fall apart. The result is not a chatbot party trick. FrontierMath Tier 4 is designed around problems that can take expert researchers hours or days, with answer formats that allow automated checking. Epoch AI describes the set as 50 exceptionally difficult problems, with most reported scores based on 48 private questions. A system solving nearly half of that set is not proof that AI can replace mathematicians, but it is a strong signal that reasoning systems are becoming useful in domains where correctness matters. According to the new Google DeepMind paper circulating on arXiv, the co-mathematician also posted state-of-the-art results across other hard problem-solving benchmarks. The useful point is the architecture. This is... https://startupfortune.com/google-deepmind-has-raised-the-bar-for-ai-math-reasoning/