Silicon Valley AI circle's lightning-fast face-palm moment—$50 billion unicorn Cursor completes its journey from "deification to humiliation" in 24 hours, and there's something inexplicably hilarious about it.

Just yesterday, Cursor made a high-profile announcement of its proprietary coding model, hyping it to the skies: crushing performance compared to previous versions, CursorBench scores soaring to 61.3, surpassing Claude Opus 4.6, nearly matching GPT-5.4 Thinking, and pricing is 10x cheaper than competitors. Programmers across the internet immediately hailed it as legendary!

Then the face-palm came out of nowhere. A netizen named Fynn dug up the API configuration, and the model ID was right there: kimi-k2p5-rl-0317-s515-fast. The so-called proprietary model turned out to be Kimi K2.5 with reinforcement learning added!

As public opinion exploded, Elon Musk directly jumped in with a follow-up: "Yeah, it's Kimi 2.5"—confirmation delivered without hesitation.

Even more amusing was Kimi's response, joking back on Chinese social media: "I heard about me, thank you, because of you," showing high emotional intelligence and cuteness, instantly winning over countless fans!

Keep in mind that Cursor is a Silicon Valley star valued at $50 billion, yet at the critical moment it relied on a Chinese AI model to save face. This is undoubtedly the hardest endorsement for Kimi! It also shows the world that Chinese AI open-source has already quietly risen, silently supporting global AI development. What a credit to our nation!

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