"Cursor's Composer 2 is promoted as offering 'frontier-level coding intelligence,' but an X user claimed it is merely Kimi 2.5 with added reinforcement learning."
"Lee Robinson, Cursor's VP, stated, 'Yep, Composer 2 started from an open-source base!' but emphasized that only about a quarter of the compute came from Kimi."
"The Kimi account on X congratulated Cursor, stating, 'We are proud to see Kimi-k2.5 provide the foundation,' confirming an authorized commercial partnership."
"The decision not to acknowledge Kimi upfront raises questions about transparency and the potential implications of using a Chinese model in AI development."
Cursor launched Composer 2, claiming it offers advanced coding intelligence. An X user alleged it is based on Kimi 2.5, an open-source model from Moonshot AI. Cursor's VP acknowledged the open-source base but emphasized that most of the model's training was original. The Kimi account confirmed an authorized partnership with Cursor. The lack of upfront acknowledgment of Kimi raises concerns about transparency and the implications of using a Chinese model in AI development.
Read at TechCrunch
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