According to a benchmark run headlessly via Antigravity on the same seven-constraint article planning task (three trials each, n=6, measured on 2026-09-27), Gemini 3.8 Flash (High) and Claude Opus 4.6 (Thinking) both scored 17/17 on machine-verified constraint adherence, but the median wall-clock time was 23 seconds for Gemini versus 67 seconds for Opus.