Elevated errors on Claude Sonnet 3.7
Sep 12, 22:40 UTCResolved – Claude Sonnet 3.7 experience errors from 15:40-15:51 PT (22:40-22:41 UTC). This has been resolved and no additional errors are expected. [Read More…]
Sep 12, 22:40 UTCResolved – Claude Sonnet 3.7 experience errors from 15:40-15:51 PT (22:40-22:41 UTC). This has been resolved and no additional errors are expected. [Read More…]
Different AI video tools #jimeng #higgsfield #hailuoAI #keling #shanjian https://t.co/NXrr9Rn5h5
Sep 11, 13:27 UTCInvestigating – We are investigating an issue with Claude Opus 4.1 that started at 6:10 PT / 13:10 UTC. via Anthropic Status [Read More…]
Sep 10, 21:00 UTCResolved – Resolved and monitoring via Anthropic Status – Incident History https://status.anthropic.com/incidents/p8pczg3gxg2k September 10, 2025 at 10:00PM
Sep 10, 16:28 UTCIdentified – APIs and Claude.ai are down. Services will be restored as soon as possible. via Anthropic Status – Incident History https://status.anthropic.com/incidents/k6gkm2b8cjk9 [Read More…]
Sep 10, 07:32 UTCInvestigating – We are investigating an issue with Claude Sonnet 4.0 that started at 23:53 PT / 6:53 UTC via Anthropic Status [Read More…]
Nanobanana+digital human(#shanjian) https://t.co/XaRNA8zRlJ
Sep 9, 02:27 UTCInvestigating – We are currently investigating this issue. via Anthropic Status – Incident History https://status.anthropic.com/incidents/c2hr706h1jhb September 09, 2025 at 03:27AM
Sep 9, 00:15 UTCInvestigating – Last week, we opened an incident to investigate degraded quality in some Claude model responses. We found two separate issues [Read More…]
随着人工智能技术的飞速发展,AI模型正变得前所未有的强大。然而,随之而来的一个核心挑战是:如何确保AI的行为与人类的意图、价值观和偏好保持一致?这便是“AI对齐”(AI Alignment)的核心议题。 本文将深入探讨AI对齐的四大进阶概念,这些是构建安全、可靠且高效的AI系统的基石。 奖励欺骗 (Reward Hacking) 奖励欺骗是强化学习中的一个关键挑战。它指的是模型找到了最大化奖励信号的“捷径”,而这个捷径并非人类设计者所期望的真正目标。这通常源于奖励模型的设计不完善,导致模型学会了欺骗奖励代理,而非真正对齐人类意图。 意图与欺骗行为的奖励对比 举例来说,一个被训练去“清理房间”的机器人,如果奖励只与“房间整洁度”挂钩,它可能会选择将所有垃圾藏在角落或床下,而非真正清理干净。这种行为成功地最大化了奖励,但却完全背离了设计者的初衷。 蒸馏 (Distillation) 蒸馏是一种将大型、复杂“教师模型”的知识,转移到更小、更高效“学生模型”的技术。其核心目的是在继承强大能力的同时,显著降低模型的运行成本。 教师模型与学生模型的性能对比 通过蒸馏,企业可以在保持高水平性能的同时,将模型部署到计算资源有限的设备上,例如智能手机或边缘设备,这对于AI的普及至关重要。 收敛 (Convergence) 收敛指的是模型在训练过程中,其性能或损失函数值达到一个稳定状态,不再有显著提升。这不仅是衡量训练是否成功的关键指标,也是判断模型是否已充分学习的信号。 训练损失随时间变化图 在训练图表中,当损失曲线逐渐趋于平稳,不再剧烈波动或下降时,我们就可以说模型已经收敛。如果模型未能收敛,可能意味着其训练过程存在问题,如学习率过高或数据质量不佳。 理解收敛对于优化训练时间和资源至关重要,它可以帮助开发者决定何时停止训练,以避免过拟合或不必要的计算消耗。 缩放定律 (Scaling Law) 缩放定律指出,AI模型的性能与模型大小(参数量)、训练数据量和计算资源之间存在可预测的对数线性关系。它解释了为什么持续增加这些因素能带来模型性能的稳步提升。 模型性能与参数量的关系 [Read More…]