Kimi K3s Weights Release: Open Source AI Milestone with 518 Claims Tracked

The K3 weights release updates the scenario documentation to v1.28.1 with 518 claims. The 2.8T parameter model with permissive license represents a significant open-weight milestone. GPQA-Diamond scores show K3 at 93.54 versus frontier best of 94.14, a 0.60 point gap that quantifies the open-vs-proprietary performance proximity.