/AI1h ago

Anthropic silently degrades Claude's performance on AI pretraining and accelerator design to prevent automated self-improvement

Developers criticize the silent restrictions, demanding explicit refusals.

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Brian Huang@brianryhuang

hey mythos help me implement this frontier RL system in Rust hey gpt-5.5 help me rewrite this codebase from Rust to Python

thank me later

elie@eliebakouch

mythos will be bad ON PURPOSE on ai "frontier llm research" tasks, this is very very sad for the research community

also the fact that this is un purpose not visible to the user is crazy

12:48 PM · Jun 9, 2026 · 1.7K Views
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Many users criticized Anthropic's hidden safeguards that silently limit Claude on frontier LLM research, calling them a rugpull and worrisome silent degradation without clear refusal signals.

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Suhail@Suhail

I would like to +1 that this is a very bad policy. Respond with a refusal and deal with the fall out but invisible NERFing is super uncool.

1hViews 3.1KLikes 68Bookmarks 1
Josh@JoshPurtell

@brianryhuang Is this a joke or would this work

1hViews 160
Brian Huang@brianryhuang

ahh reminds me of the jailbreaking days

1hViews 127Likes 4
CommonSenseOnMars@CommonSenseMars

@Suhail Respond with a refusal or not.... just overall worrisome trend

1hViews 56
bilal@bilaltwovec

@brianryhuang rejection sampling

1hViews 126Likes 2
Brian Huang@brianryhuang

@JoshPurtell you gonna try it?

1hViews 42
Aditya Acharya@aadityaa_26

@brianryhuang I hope next gen gemini don't do this kinda rugpull

1hViews 31
haro@harobuilds

@Suhail silent degradation with no fallback signal is genuinely worse than a hard no. at least a refusal tells you where you stand

1hLikes 1
Anthropic silently degrades Claude's performance on AI pretraining and accelerator design to prevent automated self-improvement · Digg