{"type":"post","id":"corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6","slug":"corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6","title":"Corridor introduces Argos, a fine-tuned Qwen3.5-9B security model that tops 14 models on its SecReT benchmark","description":"Corridor announced corridor-argos-1 on October 21, 2026, a security-context selection model used in its Agent Steering product.","retrieval_nugget":"Corridor announced corridor-argos-1 on October 21, 2026, a security-context selection model used in its Agent Steering product.","published_at":"2026-10-23","updated_at":"2026-10-23","record_date":"2026-10-23","date_kind":"published_at","topics":["harness-engineering","agent-runtime"],"entities":["Corridor","corridor-argos-1","Qwen3.5-9B","Agent Steering","SecReT","SusVibes","Baseten"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"same_event","what_changed":"Same event as .@corridor used smithtune’s trace-based workflow to build the training data for Argos, a fine-tuned 9B model that scores the highest of the 14 models they tested on their security context benchmark.","prior_refs":["memory:dc85010b-9f8d-8952-a6a6-bf06026d409c"],"source_url":"https://www.corridor.dev/research/argos","source_urls":["https://www.corridor.dev/research/argos"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6","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/corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6/","markdown":"https://newruntime.com/posts/corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6.md","json":"https://newruntime.com/posts/corridor-introduces-argos-a-fine-tuned-qwen3-5-bf46d6.json"},"next_reads":[{"type":"topic","path":"/topics/harness-engineering/","url":"https://newruntime.com/topics/harness-engineering/","title":"Harness Engineering","reason":"Explore the harness-engineering topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/harness-engineering.md","json_url":"https://newruntime.com/topics/harness-engineering.json"},{"type":"topic","path":"/topics/agent-runtime/","url":"https://newruntime.com/topics/agent-runtime/","title":"Agent Runtime","reason":"Explore the agent-runtime topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-runtime.md","json_url":"https://newruntime.com/topics/agent-runtime.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"}]}