Same feature, 3 models: ~$4 vs $1.70 vs $0.50 — I ended up merging the $0.50 result

This story is from 2026-09-15. It is preserved in the archive; the latest stories are on the live feed.

I've been dogfooding Stageflow on my own development work, and I tried a small experiment. I took the exact same feature request and ran it through the same workflow using three different models: Claude Sonnet 5 → ~$4 Qwen 3 Coder → ~$1.70 Tencent Hy3 → ~$0.50 The interesting part: I ended up choos…