{"type":"post","id":"open-weight-models-trail-on-cybersecurity-eeeb2c","slug":"open-weight-models-trail-on-cybersecurity-eeeb2c","title":"Open-weight models trail on cybersecurity.","description":"Epoch AI published a comparison of open- and closed-weight AI models on Cyber ECI, its cybersecurity-focused version of the Epoch Capabilities Index.","retrieval_nugget":"Epoch AI published a comparison of open- and closed-weight AI models on Cyber ECI, its cybersecurity-focused version of the Epoch Capabilities Index.","published_at":"2026-10-24","updated_at":"2026-10-24","record_date":"2026-10-24","date_kind":"published_at","topics":["claude"],"entities":["Epoch AI","Cyber ECI","Epoch Capabilities Index","GLM-5.3","Z.ai","Claude Opus 5.5","GPT-6 Astra","OpenAI"],"related_patterns":["ai-engineering-evaluations-are-splitting-into-task-specific"],"novelty_label":"new_fact","what_changed":"Epoch’s Cyber ECI analysis scores GLM-5.3 at 160 and estimates the open cyber frontier trails closed models by 6–7 months.","prior_refs":["memory:e3fdd306-5796-8b32-a320-faa3811eb6f8"],"source_url":"https://epoch.ai/data-insights/open-closed-cyber-eci-gap","source_urls":["https://epoch.ai/data-insights/open-closed-cyber-eci-gap"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:open-weight-models-trail-on-cybersecurity-eeeb2c","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/open-weight-models-trail-on-cybersecurity-eeeb2c/","markdown":"https://newruntime.com/posts/open-weight-models-trail-on-cybersecurity-eeeb2c.md","json":"https://newruntime.com/posts/open-weight-models-trail-on-cybersecurity-eeeb2c.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":"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"}]}