[AINews] Kimi K3 2.8T-A50B：迄今最大开源模型，Opus 4.8级性能享Sonnet 5定价

[AINews] Kimi K3 2.8T-A50B: the largest open model ever released; Opus 4.8-class at Sonnet 5 pricing

开源模型的利好周仍在延续