{"type":"raw_signal","id":"over-the-last-few-months-we-ve-made-a323bd","slug":"over-the-last-few-months-we-ve-made-a323bd","title":"Over the last few months, we’ve made significant progress in reducing the effectiveness of distillation attacks against Claude.","description":"Anthropic says new defenses reduced data harvested for Claude distillation by an estimated 90–99%","retrieval_nugget":"Anthropic says new defenses reduced data harvested for Claude distillation by an estimated 90–99%","observed_at":"2026-10-13","record_date":"2026-10-13","date_kind":"observed_at","why_it_matters":"The reduction figure is Anthropic’s own early estimate; the post does not provide an independent evaluation of the overall impact of the new defenses. Source: https://www.anthropic.com/research/distillation-defenses","novelty":"notable","verification_level":"source-linked","signal_type":"research","source_platform":"anthropic.com","topics":["claude","anthropic"],"entities":["Anthropic","Claude","Claude Fable 5.1","Claude Opus 5.5","Claude Sonnet 5.5","SWE-bench Verified","Zhipu","GLM-5.3"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"source_url":"https://www.anthropic.com/research/distillation-defenses","source_urls":["https://www.anthropic.com/research/distillation-defenses"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"signal:over-the-last-few-months-we-ve-made-a323bd","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/signals/over-the-last-few-months-we-ve-made-a323bd/","markdown":"https://newruntime.com/signals/over-the-last-few-months-we-ve-made-a323bd.md","json":"https://newruntime.com/signals/over-the-last-few-months-we-ve-made-a323bd.json"},"next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/signals/","url":"https://newruntime.com/signals/","title":"Raw Signals","reason":"Open every source-linked raw signal.","media_type":"text/html","json_url":"https://newruntime.com/signals.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}
