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AI趋势 | 美团开源万亿参数大模型LongCat-2.0

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2026-06-30 10:39:55
美团正式发布新一代万亿参数大模型LongCat-2.0,并将对外开源。据金十数据报道,LongCat-2.0预训练数据规模超过30T tokens,覆盖中文、英文、多语言和代码等多类数据。

面对万卡级训练中的硬件故障、通信异常、显存压力与数值波动,LongCat团队从稳定性、正确性和效率三方面攻克国产算力训练难题。

在稳定性上,通过HCCL异常处理、弹性扩缩卡和自动故障恢复,将月均日故障率降低70%以上;在正确性上,通过自研设计确定性算子、Bitwise一致性验证和参数检测,保障训练结果的可靠,并提升关键模块计算精度、优化Reduce逻辑。
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