Cursor Admits Its New Coding Model Was Built On Top Of Moonshot AI’s Kimi
Cursor's Composer 2 model was quietly built on Kimi 2.5 by Moonshot AI. Here's what that means for AI coding tools and the US-China AI race.
Matilda
Cursor Admits Its New Coding Model Was Built On Top Of Moonshot AI’s Kimi
Cursor AI Hid a Big Secret: Its New Coding Model Is Built on Chinese AI Kimi Cursor AI launched what it called "frontier-level coding intelligence" this week. But within hours, the tech community uncovered something the company never bothered to mention — its flashy new model, Composer 2, is built on top of Kimi 2.5, an open-source AI model created by a Chinese company. Here is everything you need to know about the controversy, and why it matters far beyond one startup's product launch. What Is Composer 2 and Why Did Cursor Launch It? Cursor is an AI-powered coding tool that has taken the developer world by storm. The company raised a staggering funding round last fall, pulling in 2.3 billion dollars at a valuation of 29.3 billion dollars. It is also reportedly surpassing 2 billion dollars in annualized revenue — numbers that place it firmly among the most valuable AI startups in the world. This week, Cursor unveiled Composer 2 with bold claims about its capabilities. The co…