Kimi K3 Weights Released — World's Largest Downloadable AI Model at 2.8T Parameters
View original source →Moonshot AI released the model weights for Kimi K3 on July 26, making 2.8 trillion parameters of frontier-level intelligence freely and publicly downloadable for the first time. The model activates 104 billion parameters per token using Mixture-of-Experts (MoE) architecture and supports a 1-million token context window.
Key Points:
• 2.8 trillion total parameters, 104 billion activated per token via Mixture-of-Experts architecture — download is approximately 594GB • Released under a Modified MIT license — free to download, use, and build upon for most purposes • Day-0 hosted access available through Together AI, Modal, and other inference providers • Kimi K3 matches or exceeds top closed frontier models on agentic coding and reasoning benchmarks • Deeplearning.ai's team confirmed using Kimi K3 for legitimate cybersecurity work that Claude Fable 5 and GPT-5.6 Sol refused to help with
Kimi K3's release makes the world's largest AI model freely available to anyone with the hardware to run it. The deeplearning.ai experience demonstrates practical value beyond benchmark comparisons — open-weight models are sometimes the only option for sensitive-but-legitimate technical work.
Why It Matters: Frontier-class AI intelligence is no longer locked behind proprietary API walls. The combination of Kimi K3's release and closed models refusing legitimate security work makes the strongest case yet for open-weight AI.