[Kimi K3 Released, Gap Between Open-Source and Closed-Source Models Narrows to 4 Points] According to Deep Tide TechFlow, on July 28, Dark Side of the Moon launched the open-source model Kimi K3, which scored 57 points on the Artificial Analysis Intelligence Index, making it the third-highest scoring model, trailing only Anthropic's Claude Opus 5 (61 points), Claude Fable 5 (60 points), and OpenAI's GPT-5.6 Sol (59 points). The index indicates that the gap between leading closed-source models and open-source weight models has narrowed to 4 points, the smallest gap since the release of GLM-5 in February. This marks a rapid performance catch-up of open-source models to closed-source models.