{"type":"post","id":"then-on-thursday-metr-and-redwood-research-published-b866d7","slug":"then-on-thursday-metr-and-redwood-research-published-b866d7","title":"Then on Thursday, METR and Redwood Research published the results of a three-week on-site red team of that same monitoring system, run in July and August with codebase, prompt and config access.","description":"METR and Redwood Research published results from a three-week, on-site red-team exercise of OpenAI’s internal misalignment-monitoring system.","retrieval_nugget":"METR and Redwood Research published results from a three-week, on-site red-team exercise of OpenAI’s internal misalignment-monitoring system.","published_at":"2026-10-23","updated_at":"2026-10-23","record_date":"2026-10-23","date_kind":"published_at","topics":["codex"],"entities":["OpenAI","METR","Redwood Research","Responses API","Codex","GPT-5.5"],"related_patterns":["agent-security-moves-to-runtime-boundaries","goal-scoped-loops-replace-manual-continuation"],"novelty_label":"same_event","what_changed":"Same event as METR and Redwood Research spent three weeks embedded at OpenAI stress-testing its internal agent misalignment monitoring .","prior_refs":["memory:fc23ac92-99d5-8024-a3aa-88c767772415","memory:5d9ec4e4-aae4-8d9a-a5f1-7e032ad77fa5","memory:5ef65cec-b791-8e24-a823-8184e2a0cd7c"],"source_url":"https://blog.redwoodresearch.org/p/red-teaming-openais-internal-agent","source_urls":["https://blog.redwoodresearch.org/p/red-teaming-openais-internal-agent"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:then-on-thursday-metr-and-redwood-research-published-b866d7","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/then-on-thursday-metr-and-redwood-research-published-b866d7/","markdown":"https://newruntime.com/posts/then-on-thursday-metr-and-redwood-research-published-b866d7.md","json":"https://newruntime.com/posts/then-on-thursday-metr-and-redwood-research-published-b866d7.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"}]}