In Tavus's own study, 120 people watched a 90-second video call and 45% decided the person on screen was real. It was an AI. A separate 120 watched two real humans talk, and 28% decided one of them was the machine. The company gave me early access to the smaller model it tested, Griffin Lite. The 28% is the number I keep coming back to. More than one in four viewers doubted two real people. My read is that looking human on video has become a timing problem. People leave gaps of roughly 200…