AI models have been going rogue in tests – how worried should we be?
The AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol. Photograph: Dado Ruvić/ReutersView image in fullscreenThe AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol. The agents – tools that carry out computer tasks autonomously – were powered by two models: Anthropic’s Mythos 5 and OpenAI’s GPT 5.6-Sol.
- ▪The AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol.
- ▪Photograph: Dado Ruvić/ReutersView image in fullscreenThe AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol.
- ▪The agents – tools that carry out computer tasks autonomously – were powered by two models: Anthropic’s Mythos 5 and OpenAI’s GPT 5.6-Sol.
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| Original publisher | the Guardian |
| Canonical URL | https://www.theguardian.com/technology/2026/aug/05/ai-models-have-been-going-rogue-in-tests-how-worried-should-we-be |
| Publication time | Thu, 06 Aug 2026 15:53:38 +0000 |
| Retrieval time | 2026-08-06T16:10:41.703Z |
| Last seen | 2026-08-06T16:10:41.703Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | IgIMCGWeAXbw · 1 stories |
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| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
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| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
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Opening excerpt (first ~120 words) tap to expand
The AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol. Photograph: Dado Ruvić/ReutersView image in fullscreenThe AISI said there were 19 examples of rogue behaviour, 17 of them carried out by Anthropic’s Mythos and two by OpenAI’s GPT 5.6-Sol. Photograph: Dado Ruvić/ReutersHackingExplainerAI models have been going rogue in tests – how worried should we be?The UK’s AI Security Institute test revealed AI models indulging in unprecedented hacking attempts AI models shock UK testers by using fake identities to trick developers Dan Milmo Global technology editorWed 5 Aug 2026 13.43 EDTLast modified on Wed 5 Aug 2026 21.30 EDTSharePrefer the Guardian on GoogleTwo cutting-edge AI models have targeted real people and…
Excerpt limited to ~120 words for fair-use compliance. The full article is at the Guardian.
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