Anthropic 发布 Claude Fable 5.2 和 Claude Mythos 5.2，但优化类任务频繁被拒
Also, it looks like Anthropic doesn't want you to build RSI?! On a more serious note, even with Op...
Anthropic 新发了 Fable 5.2 和 Mythos 5.2，但作者实测发现内核和 LLM 优化任务经常被拒。如果你做底层优化或想用模型改模型本身，这篇提醒你闭源 API 的政策边界，开源模型可能更合适。
Anthropic 发布了两款新模型 Claude Fable 5.2 和 Claude Mythos 5.2，定位是应对高难度技术挑战的协作工具，官方称其在编码、推理和视觉等方向有提升。
不过推文作者 Elvis Saravia 指出一个值得注意的现象：即便使用 Opus 5.5，涉及内核优化和 LLM 优化的任务在大多数情况下会被模型拒绝执行，他调侃称 Anthropic 似乎不希望用户用 Claude 做 RSI（自我改进）类工作。
作者由此提出观点：面对这类受限场景，开源模型是唯一的出路。对开发者来说，选择闭源 API 还是开源模型，除了能力对比外，使用政策边界也成了实际考量因素。
Also, it looks like Anthropic doesn't want you to build RSI?! On a more serious note, even with Op...
Also, it looks like Anthropic doesn't want you to build RSI?! On a more serious note, even with Opus 5.5, kernel and LLM optimization tasks get refused most of the time. Open models are the only way! Claude @claudeai Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges. They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.
This report is categorized under AITOP's "Models" desk, focusing on US frontier AI labs and Silicon Valley technology leaders. Within our cross-regional analytical framework, it directly maps to US-China foundation model benchmarks and commercialization comparison and AI developer toolchains, coding agents, and engineering workflows. Key entities and technical topics under continuous tracking include Claude, Anthropic, 开源模型, 推理模型.
Source attribution: curated from elvis (@omarsar0).
