Moonshot AI’s open-source large language model (LLM) Kimi K3 has surged in popularity after its launch, drawing attention across multiple model benchmarks and forcing the company to suspend new member subscriptions after a rapid influx of users strained computing capacity. A review of CEO Zhilin Yang’s March 2026 technical talk at Nvidia GTC in San Jose, California, shows K3 was not an overnight hit, but the result of months of work on model architecture and training techniques.