OpenAI 今年或发布一到两款新模型,旗舰仍需对齐工作
据 The Information 援引知情人士,OpenAI 员工称年底前可能发布一到两款新模型,但公司正在开发的重大升级旗舰是否在其中尚不清楚。该旗舰模型仍需完成对齐工作并加强测试基础设施,且按特朗普关于先进 AI 系统评估的行政令,OpenAI 同意在模型交付外部伙伴前最多 30 天向美国政府开放访问。该旗舰与 Astra 一样采用循环 Transformer 技术,OpenAI 内部称其为 Recurrent Depth,可提升数学与编码表现并降低成本,但会把部分思考移入人类审查者无法查看的内部数值表示,削弱思维链监控,OpenAI 因此刻意限制了 Astra 的循环次数。
hers trace a model's reasoning to spot bad behavior. OpenAI deliberately capped how many loops Astra runs to keep its chain of thought readable, The Information reports. After the Hugging Face incident , OpenAI moved roughly ten percent of its total compute toward alignment and safety, according to a person familiar with the figures. The Information reports that amounts to hundreds of megawatts worth of data center capacity, though it's unclear how much was allocated to safety before or what the
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