Checked fact 131713 Oct 2026Research

The 12 October post says that, by Anthropic's own estimate on its own platform, after it introduced the classifier the number of reasoning tokens extracted by distillers is "consistently 10 to 100 times lower than it was before."

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To measure the effectiveness of our system, we estimate how many tokens of Claude's reasoning distillers have extracted on our own platform. After introducing the classifier, the number of reasoning tokens extracted by distillers is consistently 10 to 100 times lower than it was before

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Strengthening our defenses against distillation attacks
Anthropic · 2026-10-12

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Checked by the notis newsroom on 13 Oct 2026, against the source above.

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How distillation works and when it becomes an attack 13 Oct 2026

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“The 12 October post says that, by Anthropic's own estimate on its own platform, after it introduced the classifier the number of reasoning tokens extracted by distillers is "consistently 10 to 100 times lower than it was before.".” ai notis, checked 13 Oct 2026. Source: Strengthening our defenses against distillation attacks (Anthropic). https://ainotis.com/c/1317

As a reference (APA style)

ai notis. (2026, October 13). The 12 October post says that, by Anthropic's own estimate on its own platform, after it introduced the classifier the number of reasoning tokens extracted by distillers is "consistently 10 to 100 times lower than it was before." [Checked claim 1317]. ai notis. https://ainotis.com/c/1317

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