# Latent.Space explains Anthropic's crackdown on chain-of-thought distillation attacks

> Original title: From our recent Opus 5.5 pod — how Anthropic cracked down on CoT distillation attacks:

- Source: Latent.Space
- Published: 2026-11-07T02:46:05.000Z
- Bad Influence: https://badinfluence.news/items/p626sfw5uxzblyhi32agfnp2v
- Original: https://x.com/latentspacepod/status/2118897749567607180

## Summary

Latent.Space says Anthropic has cracked down on chain-of-thought distillation attacks, as discussed in its recent Opus 5.5 podcast. ThePrimeagen says Anthropic has inserted fake tool calls to mislead distillers, so reasoning traces may contain harmful or wrong choices.

## Post

From our recent Opus 5.5 pod — how Anthropic cracked down on CoT distillation attacks:

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2118897588087009280%2Fimg%2FCoX-lW_JMDjrBv5Z.jpg&mode=thumb&exp=1794268800&sig=e515ef2ab6c4ffab)

## Quoted post @ThePrimeagen

> Dario and team have actively put in fake tool calls to throw off distillers, it would be of NO surprise to see reasoning traces be filled with harmful and downright wrong choices.
> 
> Every time i read them, I panic because of how dumb opus is acting, but then the output is good.

https://x.com/ThePrimeagen/status/2118740967402652089