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Google researchers find a way to keep self-improving AI agents from memorizing their tests

Collected Oct 4, 2026

Google researchers have developed a method called RRSI aimed at a problem in self-improving AI agents: these agents tend to memorize their test tasks, causing their gains to shrink or disappear when they face new ones.

According to the report, RRSI reins in this effect. It lifts scores on unseen benchmarks by up to 4.7 points, and it does so while using about 30 percent fewer tokens than an unregularized version of the approach.

The method is attributed to Google researchers. The report does not specify which agents or benchmarks were used, nor does it provide a publication date or venue for the work.

Read at The Decoder

Based on reporting from the original publisher. Visit the source for full context and later updates.

Publisher excerpt

Self-improving AI agents tend to memorize their test tasks, so their gains shrink or disappear on new ones. RRSI, a new method from Google researchers, reins in this effect and lifts scores on unseen benchmarks by up to 4.7 points while using about 30 percent fewer tokens than an unregularized version. The article Google researchers find a way to keep self-improving AI agents from memorizing their tests appeared first on The Decoder .