Dev Tools · 11h ago
AI Tutor's Routing Layer Handles 60+ Features with Smart Fallbacks
The team built an AI tutor covering five domains, including exam prep and language learning. A feature registry routes model calls with fallback chains to manage cost and reliability. A bug where mastery scores never moved was fixed by adding explicit UI triggers instead of hidden keywords.
Meridian48 take
The article's focus on boring, reliable infrastructure over flashy prompts is refreshing, but the real test is whether this registry scales without becoming a maintenance burden.
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We built one AI tutor for five completely different subjects — here's the routing layer that keeps it from falling over →
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ai-tutormodel-routing