Kimi K3 Proves the Frontier Is Now Open-Weight. Western Labs' Moat Talk Just Got a Lot Less Convincing.
On July 16, Moonshot launched Kimi K3, a 2.8 trillion parameter model and the largest open model ever released. Demand was so intense that Moonshot's first-party API sold out within 48 hours. Then this weekend the full open weights went live, all 594 gigabytes of them,