David Ondrej

Build Anything with Kimi K3, Here’s How

Jul 24, 2026 30 min
kimi k3ai modelopen sourcemoonshot aillm
Watch on YouTube Follow David Ondrej on Rundown — free

Summary

AI summaries can be incomplete or wrong. Verify anything important against the original video.

This video introduces Kimi K3, an open-source AI model from Moonshot AI that claims to be highly efficient and performant, even outperforming closed-source models in certain benchmarks. It details K3's capabilities, pricing, and the technical innovations behind its efficiency, like attention residuals.

The video introduces Kimi K3, an open-source AI model from the Chinese company Moonshot AI, touting it as "Anthropic's worst nightmare" and "by far the most intelligent open-source model out there." It highlights Kimi K3's performance on various benchmarks, claiming it matches or surpasses models like Fable 5 and GPT 5.6 Sol. The presentation contrasts the "Open vs. Closed" source battle, positioning Kimi K3 as a significant advancement in open-source AI. The video delves into the pricing, stating K3 is 3x cheaper than Fable 5 while being of comparable quality. It also explains the model's immense size (2.8 trillion parameters) and its potential for wider adoption due to its open-source nature. The creator discusses the technical innovations behind Kimi K3's efficiency, specifically "Attention Residuals," explaining how it differs from standard models by keeping layer work separate and allowing new layers to selectively read previous results, leading to faster training and less latency. The presenter also touches upon the possibility of running K3 locally, noting the significant hardware requirements (multiple B300 GPUs) and cost, but emphasizes the practicality of using it through API providers. Finally, it briefly touches upon Kimi K3's capabilities in 3D modeling and chip design, showcasing its advanced functionalities.

Additionally, the video explores the concept of "Where do your tokens run?" by plotting models on a graph of closed vs. open source and cloud-hosted vs. self-hosted. The ideal is presented as self-hosted and open source, with Kimi K3 being a strong contender. The creator then demonstrates how to set up and use Kimi Code CLI, showcasing its ability to run tasks like finding PDFs and interacting with models in a more advanced way than standard models.

The video also includes sections on Kimi's pricing plans, its performance against other models, and its potential for use in 3D modeling and even chip design. The creator concludes by showcasing a demonstration of Kimi Code CLI and its capabilities in a terminal environment, highlighting its versatility and potential for developers.

Concepts & takeaways

Locked

Claims & arguments

Locked

Key Points

Locked

Worth watching if: You're interested in cutting-edge AI models, particularly open-source alternatives that offer strong performance and cost-efficiency. Developers, researchers, and AI enthusiasts will find this informative.

Sign in to unlock the full extract

Every claim, key point, and timestamp for this David Ondrej video — plus a daily email of every channel you follow.

Sign in with Google

No credit card. Free tier forever.

Watch on YouTube