Kimi K3: 2.8-Trillion-Parameter AI Model Released

Moonshot AI has released Kimi K3, a 2.8-trillion-parameter open-source model that supports text, images, and video natively. The model has a context window of 1,048,576 tokens, making it one of the most powerful AI models available. Kimi K3 is now available through various platforms, including Hugging Face, OpenRouter, Fireworks AI, Baseten, Together AI, and Moonshot's own platform.

Kimi K3's architecture is based on Mixture-of-Experts (MoE) and Stable LatentMoE, and it has 896 experts and 104B active parameters per token. The model has been made available for self-hosting, but this requires a minimum of 8 enterprise-grade accelerators and a hardware bill in the high six figures.

Moonshot AI opened API access to Kimi K3 on July 16, 2026, and published the full weights on July 27. The release of Kimi K3 has sparked a response from other AI companies, with Meta announcing the release of new models, including Muse Spark 1.2 and Muse Glimmer. Muse Glimmer is a 30-billion-parameter model optimized for always-on local agent workflows.

## What it means The release of Kimi K3 is significant, as it provides a powerful open-source AI model that can be used for a variety of applications. The model's ability to support text, images, and video natively makes it a versatile tool for developers. The fact that Kimi K3 is available through various platforms also makes it more accessible to a wider range of users.

## Why it matters The release of Kimi K3 is important because it provides a powerful tool for developers to build AI-powered applications. The model's open-source nature also means that it can be modified and improved by the community, which can lead to further innovations and advancements in the field of AI. The fact that other companies, such as Meta, are responding to the release of Kimi K3 by announcing their own models also highlights the significance of this development.

## What happens next As Kimi K3 becomes more widely available, we can expect to see more developers and companies using the model to build AI-powered applications. The fact that Kimi K3 is open-source also means that the community will be able to modify and improve the model, which can lead to further innovations and advancements in the field of AI. The response from other companies, such as Meta, will also be worth watching, as they announce their own models and access plans.