Engineers mix models to balance speed and reasoning, or to catch hallucinations...

https://www.bookmarkmaster.win/multi-model-setups-exploit-specific-strengths-and-catch-logic-errors-but-they

Engineers mix models to balance speed and reasoning, or to catch hallucinations via disagreement. But be careful. Auto-synthesis can hide model dissent and leak data across providers. Focus on reliability over hype—don't over-engineer the stack.