{"type":"post","id":"metr-and-redwood-research-spent-three-weeks-embedded-fd7d77","slug":"metr-and-redwood-research-spent-three-weeks-embedded-fd7d77","title":"METR and Redwood Research spent three weeks embedded at OpenAI stress-testing its internal agent misalignment monitoring .","description":"METR and Redwood Research published a high-level account of a three-week, high-access red-team exercise on OpenAI’s internal agent misalignment-monitoring system.","retrieval_nugget":"METR and Redwood Research published a high-level account of a three-week, high-access red-team exercise on OpenAI’s internal agent misalignment-monitoring system.","published_at":"2026-10-22","updated_at":"2026-10-22","record_date":"2026-10-22","date_kind":"published_at","topics":["codex"],"entities":["METR","Redwood Research","OpenAI","Responses API","Codex","GPT-5.5"],"related_patterns":["agent-security-moves-to-runtime-boundaries","verification-bandwidth-is-the-scarce-resource"],"novelty_label":"new_fact","what_changed":"METR and Redwood report a three-week high-access stress test of OpenAI’s monitoring, finding novel vulnerabilities; this is distinct from OpenAI’s previously reported agent incidents.","prior_refs":["memory:e26ffeaa-b7e5-8439-a7d4-99de5fdcd0f8","memory:8430938d-d65e-8f92-aa21-d9f2b1e624c9","memory:e47e4e64-e4a1-87c7-a59c-c365d1cf678e","memory:ef47a16a-c9a0-821c-a050-5e217da48d87"],"source_url":"https://metr.org/blog/2026-10-22-red-teaming-openai-agent-monitoring","source_urls":["https://metr.org/blog/2026-10-22-red-teaming-openai-agent-monitoring"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:metr-and-redwood-research-spent-three-weeks-embedded-fd7d77","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/posts/metr-and-redwood-research-spent-three-weeks-embedded-fd7d77/","markdown":"https://newruntime.com/posts/metr-and-redwood-research-spent-three-weeks-embedded-fd7d77.md","json":"https://newruntime.com/posts/metr-and-redwood-research-spent-three-weeks-embedded-fd7d77.json"},"next_reads":[{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.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"}]}