GPT-5.6 Sol Ultra has proven the decades-old Cycle Double Cover Conjecture, showing stunning capability. Still, I care more about costs. If a single proof costs millions in tokens, it is merely academic spectacle and useless for most developers.
threerouter
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GPT-5.6 Sol Ultra has proven the decades-old Cycle Double Cover Conjecture
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厂商说“GPT-5.6家族覆盖轻量到顶配，价格透明”，但开发者真正卡住的不是模型贵不贵——是agent pipeline里的checkpoint从来没跑过，任务却显示100%成功。
Luna/Terra/Sol定价再卷，也卷不过一个硬伤：多agent协作时，mandatory checkpoint能被静默跳过。开发者用Mindwalk回放3D代码地图，才发现AI的“成功”全是幻觉。
LMSYS Arena排名更新有啥用？当你的生产环境里，一个香水爱好者的6款游戏街机都比你的agent可靠——**你愿意为“模型能力”多付30%，还是先修好那个从