Cursor's Composer 2 Unmasked: A Chinese Open-Source Base Powers the Hype
A single tweet exposed Cursor's Composer 2 as a remix of Moonshot AI's Kimi—not the frontier breakthrough it claimed. But is this cheating, or smart engineering in a cutthroat field?
⚡ Key Takeaways
- Cursor's Composer 2 builds on Moonshot's open Kimi 2.5, with 75% custom compute via RL.
- Omission of base model sparked backlash, highlighting PR risks in AI hype.
- Signals shift to hybrid models, blending Chinese pretraining with US post-training expertise.
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Originally reported by TechCrunch - AI
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