Corridor's Argos, a fine-tuned 9B model, picks security guidance for coding agents before they write code

Released Oct 21, corridor-argos-1 is a Qwen3.5-9B fine-tune that reads a coding agent's plan and returns the project-specific security requirements that apply, such as which auth middleware or upload helper to use, feeding Corridor's Agent Steering. On Corridor's own SecReT benchmark it scored 0.655 micro F1, the best of 14 models tested, with the lowest mean time to first token at 740 ms.