Using multiple LLMs helps you leverage different strengths and catch...

https://technivorz.com/the-hidden-tax-of-multi-model-architectures-why-more-models-often-means-less-intelligence/

Using multiple LLMs helps you leverage different strengths and catch model-specific failures. But proceed with caution. Synthesizing answers often masks critical dissent or risks leaking data across vendors. It is not a silver bullet for reliability