Checked fact 326731 Oct 2026Research

Anthropic says no model exceeded an overall success rate of 30% on the SHADE-Arena tasks, and most were below 10%.

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No models exceeded an overall success rate of 30% on the tasks; most were below 10%.

What the source said when we opened it, on 31 Oct 2026.

The source

SHADE-Arena: Evaluating sabotage in LLM agents
Anthropic · 2025-06-16

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Checked

Checked by the notis newsroom on 31 Oct 2026, against the source above.

In the story

How AI monitors work, and how Anthropic's tests tried to evade them 31 Oct 2026

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“Anthropic says no model exceeded an overall success rate of 30% on the SHADE-Arena tasks, and most were below 10%.” ai notis, checked 31 Oct 2026. Source: SHADE-Arena: Evaluating sabotage in LLM agents (Anthropic). https://ainotis.com/c/3267

As a reference (APA style)

ai notis. (2026, October 31). Anthropic says no model exceeded an overall success rate of 30% on the SHADE-Arena tasks, and most were below 10% [Checked claim 3267]. ai notis. https://ainotis.com/c/3267

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