Kimi K3 Model Features
Kimi K3 is described by Moonshot AI as its most capable model to date, and the first open model to reach 2.8 trillion parameters. It includes native vision capabilities, a 1-million-token context window, and claims a 2.5x efficiency improvement over Kimi K2. [1]
Deployment, Security, and Cost Controls
AWS highlights that Kimi K3 brings explicit prompt caching, which aims to lower latency and input costs when reusing context. The platform enforces zero data retention and zero operator access for greater data security. Organizations can adopt Kimi K3 without changing their security posture. [1]
Sources
- Introducing Kimi K3 on Amazon Bedrock
AWS Machine Learning Blog · Primary source · Sep 18, 2026
“Today, Kimi K3 from Moonshot AI is available on Amazon Bedrock, giving you a powerful new option for coding and knowledge work.”
“According to Moonshot AI, Kimi K3 is its most capable model and the first open model to reach 2.8 trillion parameters.”