Same task, same model. All successful. LucenaCoder spent 62k tokens and 6.5 cents. Pi spent 110k tokens and 5.7 cents. OpenCode spent 216k and 8.7 cents. Kilo Code spent 316k and 12.9 cents. Copilot spent 393k tokens at and 13.3 cents. Codex spent 430k tokens and 14.5 cents. Architecture matters. #TokenEfficiencyBench