Moonshot AI releases Kimi K3, a 2.8T open-weight MoE model

Kimi K3 is a 2.8T-parameter MoE model with native visual understanding and a 1M-token context window, released with open weights and a technical report. It ranks #1 among open-weight models in the Agent Arena (+9.75% net improvement) and went live day-0 on Together AI, Nebius, DigitalOcean, and Perplexity — hitting top-1 trending on Hugging Face with 4,000+ likes in 30 minutes.