- US lawmakers are investigating DoorDash for using Moonshot AI's Kimi K2.6 model, a Chinese-developed AI.
- The investigation reflects growing tensions as US companies increasingly adopt Chinese AI models to cut costs.
- Lawmakers request an in-person briefing from DoorDash staff by August 21 on AI infrastructure and security.
- The letter acknowledges practical benefits of Chinese open-weight models but stresses national security risks from dependence on PRC-developed AI.