Google deploys production-ready probes for Gemini, tackling long-context shifts
StephenLCasper · x · 2026-08-13
A paper details building production-ready activation probes for Gemini to mitigate misuse. Existing probes fail under long-context shifts, so new architectures were proposed. Evaluations in cyber-offensive domain show that combining architecture choice and diverse training achieves broad generalization, and pairing probes with prompted classifiers yields optimal accuracy at low cost. These findings informed successful deployment in user-facing Gemini instances.
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