Anthropic 加强防御后，中国 AI 实验室转向 OpenAI 的 GPT-6 Astra 做蒸馏
OpenAI's Astra becomes the main target for Chinese AI labs after Anthropic tightens its defenses
据 The Information 报道，DeepSeek 和月之暗面（Moonshot AI）在训练最新模型时大量使用 OpenAI 最强模型 GPT-6 Astra 的输出，涉及 Kimi K3.1 Pro 和 V4.1-Flash 1017。这类蒸馏需要模型暴露隐藏的推理步骤，而 OpenAI 和 Anthropic 都禁止该行为。Claude 曾是主要目标，但 Anthropic 称新方法将攻击者可获取的数据量削减了 90% 至 99%。OpenAI 在 9 月下旬曾报告一起与 Moonshot 相关人员有关的协同蒸馏活动。
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报道披露中国实验室转向 OpenAI 模型做蒸馏，并给出 Anthropic 防御后攻击面转移的对比。
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Chinese AI labs are now mainly tapping OpenAI's most powerful model, GPT-6 Astra, instead of Anthropic's Claude. According to The Information , DeepSeek and Moonshot AI leaned heavily on Astra's outputs to train their latest models. People familiar with the matter say this includes Kimi K3.1 Pro and V4.1-Flash 1017.
This kind of distillation only works if the labs get the models to reveal their hidden reasoning steps. OpenAI and Anthropic both ban that. Moonshot declined to comment, and DeepSeek didn't respond to a request for comment. Claude used to be the go-to target, but Anthropic has tightened its defenses. The company says its new methods cut the amount of data attackers can pull by 90 to 99 percent .
In late September, OpenAI reported a coordinated distillation campaign that it says involved people linked to Moonshot. An OpenAI spokesperson said the company takes the problem very seriously, but until now attackers adjusted their tactics every time it rolled out a new defense.