Cursor acknowledges its new low-cost coding model has Chinese bones

Michael Truell

Andria Lo/Reuters

• Cursor left out one key detail about its new coding model: it started from Kimi K2.5.
• Composer 2 is cheaper, more capable — and built on a Chinese open-source model, Cursor's executives said.
• An X user spotted code suggesting Kimi under the hood, sparking disclosure.

Cursor just acknowledged that its latest coding model has Chinese roots — a detail it left out the first time around.

In a series of posts on X over the weekend...