⚔️ Same prompt. DeepSeek 4.1 Flash vs GLM 5.3 Flash — 3.7M ($0.08) tokens vs 59K ($0.05)

I ran the same prompt on both DeepSeek 4.1 Flash and GLM 5.3 Flash . In both cases, the task was successfully implemented on the first attempt (I only had to make one minor fix to both of them, which may have been due to the prompt). Technologies used: HTML, Vanilla JavaScript, GSAP 3, CSS DeepSeek 4.1 Flash: Harness : DeepSeek Harness with Max Reasoning and PTC Mode Time : approx. 9 minutes Total: 3,695,042 tokens Cached input: 3,555,968 tokens (99% cache hit) Uncached input: 31,070 tokens Output: 108,004 tokens Total cost: approximately $0.08 GLM 5.3 Flash: Harness : OpenCode in build mode Time : approx. 4 minutes Total: 58,976 tokens Total cost: approximately $0.05