Silicon Valley AI circle's lightning-fast face-slap moment, the star company Cursor valued at $50 billion, completed the full journey from "becoming a god to crawling away" in 24 hours, with a certain inexplicable sense of humor.

Yesterday, Cursor just announced its self-developed programming model with great fanfare, talking big: performance crushes previous versions, CursorBench score soared to 61.3, surpassing Claude Opus 4.6, approaching GPT-5.4 Thinking, and pricing is 10 times cheaper than competitors. Programmers across the internet directly called it legendary!
But the face-slap came unexpectedly. Netizen Fynn exposed the API configuration, the model ID blatantly written as kimi-k2p5-rl-0317-s515-fast, the so-called self-developed model turned out to be Kimi K2.5 with reinforcement learning added!
While public opinion was in an uproar, Elon Musk stepped in directly with a follow-up blow: "Yeah, it's Kimi 2.5", the confirmation was incredibly clean and swift.
Even more interesting is Kimi's response, joking on Chinese social media: "Heard about me, thank you, because of you", high emotional intelligence and adorable, directly winning over countless fans!
You know, Cursor is a Silicon Valley star valued at $50 billion, yet at a critical moment it relied on a Chinese AI model to save face. This is undoubtedly the most hardcore endorsement of Kimi! It also shows the world that Chinese AI open source has quietly risen, silently supporting global AI development. This is really bringing honor to the Chinese people!
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