Chaining models balances cost and performance, but it isn’t a magic bullet....

https://city-wiki.win/index.php/The_Architect%E2%80%99s_Guide_to_Taming_Multi-Model_Sprawl

Chaining models balances cost and performance, but it isn’t a magic bullet. Different models have unique blind spots. While mixing them helps, blind synthesis often hides crucial dissent or leaks data. Treat your pipeline like any distributed system.