Impressions on Sonnet 4.6 Medium vs Sonnet 5 Low

I have been reading some comments about how Sonnet 5 Low is significantly cheaper but I ran the same research and writing workflow with both 4.6 Med and 5 Low and the latter was much more expensive? The workflow included making roughly 30 web searches with 10 results each and fetching about a dozen webpages, using subagents. Then presenting the research in a strict and comprehensive format. I am still going through the outputs and verifying each of their research but here's what I noticed: 5 Low was 5.3x mo