Model Routing on Architect PARK JUN WOOhttps://www.parkjunwoo.com/tags/model-routing/Recent content in Model Routing on Architect PARK JUN WOOHugoenThu, 25 Jun 2026 09:00:00 +0900Why Smart Models Can't Explainhttps://www.parkjunwoo.com/tech/why-smart-models-cant-explain/Thu, 25 Jun 2026 00:00:00 +0900https://www.parkjunwoo.com/tech/why-smart-models-cant-explain/Smart models speak in hard-to-follow language; models that explain clearly are weak at reasoning. Use both. A concrete method for splitting a communication model (main) and a reasoning model (subagent) in Claude Code, and why this structure works.