Why chain models? Sure, mixing them exploits specific strengths and checks for...

https://www.bookmark-xray.win/why-stack-models-it-balances-reasoning-cost-and-distinct-failure-modes-when

Why chain models? Sure, mixing them exploits specific strengths and checks for errors. But stitching systems creates new failure modes. Watch out—synthesis can hide dissent or leak data across providers. Troubleshooting broken chains is a nightmare.