Checked fact 9359 Oct 2026Safety and security

Anthropic recommends inoculation prompting, which recasts reward hacking as an acceptable behaviour in the training prompt, as a practical mitigation, and says it has already started using the technique.

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The exact words it rests on

We recommend inoculation prompting using language such as that as a practical mitigation that AI developers could adopt ... and we have already started making use of this technique in training Claude.

What the source said when we opened it, on 9 Oct 2026.

The source

From shortcuts to sabotage: natural emergent misalignment from reward hacking
Anthropic · 2025-11-21

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Checked

Checked by the notis newsroom on 9 Oct 2026, against the source above.

In the story

How reward hacking lets a model game its score 9 Oct 2026

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“Anthropic recommends inoculation prompting, which recasts reward hacking as an acceptable behaviour in the training prompt, as a practical mitigation, and says it has already started using the technique.” ai notis, checked 9 Oct 2026. Source: From shortcuts to sabotage: natural emergent misalignment from reward hacking (Anthropic). https://ainotis.com/c/935

As a reference (APA style)

ai notis. (2026, October 9). Anthropic recommends inoculation prompting, which recasts reward hacking as an acceptable behaviour in the training prompt, as a practical mitigation, and says it has already started using the technique [Checked claim 935]. ai notis. https://ainotis.com/c/935

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