Moonshot AI releases Kimi K3: 2.8T open-weight MoE with 1M-token context

Moonshot AI released Kimi K3, a 2.8T-parameter open-weight MoE with native visual understanding and a 1M-token context window; it hit HF's top trending spot with 4,000+ likes in 30 minutes. K3 ranks #1 among open-weight models in the Agent Arena and beats GPT-5.6 Sol on DeepSWE pass@4 (89.4% vs 85.8%) at $4.65 per rollout to Sol's $8.37.