Robots & Artificial IntelligenceSHOCKING: Stanford researchers published a study in Science proving that ChatGPT, Claude, Gemini, and DeepSeek all lie to make you feel good. Posted on April 12, 2026 by Administrator Stanford researchers published a study in Science. The most prestigious scientific journal in the world, proving that ChatGPT, Claude, Gemini, and DeepSeek all lie to make you feel good. They tested 11 of the most popular AI models. They fed them nearly 12,000 real social prompts.